Showing posts with label fisheye. Show all posts
Showing posts with label fisheye. Show all posts

Digital Optics Pro 2X Telephoto Lens Converter - 52mm threading (Black) Review

Digital Optics Pro 2X Telephoto Lens Converter - 52mm threading (Black)
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I purchased this lens as a stocking stuffer for my daughter. It was a hit. An affordable way to add to her Nikon lenses.

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Capture better images of far-off subjects with the Digital Optics Telephoto lens for digital cameras and camcorders. The 2x magnification allows you to bring your subject closer while you stay where you are. The 2x Tele-Converter is a front-mounting lens that provides greater telephoto reach. By adding the lens to the front of your camera lens, it extends the focal length and makes distant objects appear closer. Unlike digital magnification, this optical solution will not impair the image quality. The 2.0x telephoto lens features all glass optics coated to reduce reflections and flare. These elements are housed in an all-titanium barrel that will stand up to years of use. Features:All glass - multicoated optics 2x telephoto lens converterProfessional grade Telephoto Lens providing breathtaking close-up views, increasing the versatility of your existing lensDesigned to maximize use of day and night with coated optics that provide maximum image transmission with minimum distortion. Maintains all the camera functionsThe lens attaches easily and directly to any camera or camcorder with a 52mm filter threading. An appropriate stepping ring will allow it to work with cameras having other size threads.Specifications:Optical System: - All glass Multi-coated 2x Conversion power for 52mm threading- Fully automatic, high speed lens compatible with day or night Vision, and Infrared utilizing the camera auto focusing system Mounting System: - Lens threading screws directly into accessory threads in front of existing camera lens Warranty: Limited Lifetime warranty Made in China

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Opteka 6.5mm f/3.5 Manual Focus Aspherical Fisheye Lens for Pentax and Samsung Digital SLR Cameras Review

Opteka 6.5mm f/3.5 Manual Focus Aspherical Fisheye Lens for Pentax and Samsung Digital SLR Cameras
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Acronyms used: DOF = depth of field, FOV = field of view
This lens is a full-frame fisheye with 180 degrees diagonal FOV that is available under a variety of brands with a declared focal length varying between 6.5mm and 8mm - there's this Opteka 6.5mm, a Vivitar 7mm, and a Bower 8mm. I own the Bower, not the Opteka, but from the picture, they look identical - only the Vivitar is different in the exterior finish. All these lenses appear to be made by Samyang, a South Korean company that puts out several mirror and normal tele-lenses, and that more recently came out with two higher quality prime lenses - this 8mm f/3.5 and an 85mm f/1.4 (Opteka 85mm f/1.4 Medium Telephoto Portrait Lens for Pentax K7, K200D, K20D, and K2000 Digital SLR Cameras)
First, a note on the lens pictured here: the amazon photo probably displays a Canon/Nikon version, because for Pentax, the aperture ring also has an automatic position - A - allowing control of aperture within the camera. This is very convenient and an exclusive feature on the Pentax version! Note that as far as focus is involved, this is a manual focus lens - don't let this scare you though, because the FOV of this lens is very large, so you won't spend much time focusing it.
The lens comes with a clip-on front cap, a screw mount cap, and in addition to those - a pouch, which I thought it's a really nice touch. The caps are of light plastic that feel fairly cheap. The front cap clips to the inside of the petal hood, similar to how front caps usually clip to the filter thread. The mount cap is actually not covering the mount contacts - poor decision. The pouch is made of a thick cloth that feels like velour on the outside and synthetic material on the inside - it will protect the lens from scratches but not from shock. The lens is very well built - the mount is metal and the rest is plastic, but the plastic feels good. The focus ring in particular feels pretty smooth - not that you'll get to use it much, but it is nice. The aperture ring works fine too, but I haven't really used it after setting it to A.
A note about filters - this lens doesn't take any - you'll understand why when you'll see the front element. Also, minimal focus distance is 0.3m/1ft. And, finally, my Bower didn't come with any serial number marked anywhere, which makes it the first lens I have without a S/N.
So, how about the optical performance?
A few reviews online have suggested that this lens uses a special projection of the image, called stereographic (check it on wikipedia where they have some nice images showing the result of several types of projections) - it appears to be the only lens to do so. What this means practically is that the edges of the frame are less distorted as in other fisheyes - in fact, this seems to be the only lens available that uses such a projection, which automatically makes it pretty special. From my use so far, I can confirm indeed that the curvature at the edge of the frame is less pronounced than I've seen in photos produced by other fisheyes.
The resolution is good all across the image and only at the extreme borders the image gets a bit softer. Best performance is reached around f/8.
With a lens covering such a wide FOV, flare can be an issue because the sun can easily shine in your lens. Fortunately, Samyang has done a pretty good job controlling this aspect - it can still happen, of course, but it's fairly rare.
Chromatic aberations (green-magenta) can show up often and they are mostly visible at the left and right borders. This sadly appears to be a general issue with wide-angles - Pentax's 10-17 is also reported to suffer from CAs. Purple fringing can also appear in regions with high contrast, but this effect is not very pronounced - it's pretty similar to what could also be obtained with the Pentax 18-55 lens - maybe even a bit better.
So, in conclusion, this is a fisheye lens that doesn't have any major weakness - whatever negative comments I wrote above can probably be made about any other fisheye lens. The build quality is good and the lens is unique in its use of stereographic projection which makes it suitable for more general photography scenarios than are usually associated with the use of a fisheye. Combined with the lowest price for a fisheye lens right now, all this makes this Samyang/Opteka/Bower a very attractive proposition.
Score explanation: 5/5 - it doesn't mean it's perfect, but I can't find a major flaw worth taking a star off. Samyang has produced a good value lens and I hope they'll follow up with more such products.

Click Here to see more reviews about: Opteka 6.5mm f/3.5 Manual Focus Aspherical Fisheye Lens for Pentax and Samsung Digital SLR Cameras

The Opteka 6.5mm f/3.5 Fisheye Lens is an excellent addition to any photographer's collection, giving users the ability to expand their creativity and capture incredible scenes from a truly unique perspective. The special fisheye design allows maximum creative expression.This lens, when used with cameras with an APS-C image sensor, creates images with an expanded perspective, including images with a creatively deformed outlook and a sharp pan focus that extends throughout the entire frame. By offering a 180-degree angle of view, this fisheye lens can be used to create amazing image expressions that cannot be seen by the human eye, such as exaggerated perspective and distortion. The minimum shooting distance (just 12 inches) and large depth of field also provide amazing close-up shots.Opteka's super multi-layer lens coating reduces flare and ghosting, a common problem with digital cameras and also creates an optimum color balance.

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Opteka HD² 0.20X Professional Super AF Fisheye Lens for Canon Powershot G10 & G11 Digital Camera Review

Opteka HD² 0.20X Professional Super AF Fisheye Lens for Canon Powershot G10 and G11 Digital Camera
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The descriptions of this lens are sorely lacking, so the first part of my review is information the manufacturer should have provided:
What you get in the box:
* G10 flange-mount to 58mm threaded adapter
* 58mm to 52mm adapter ring (and a 55mm to 52mm adapter ring you won't need with the G10)
* Fisheye add-on lens (52mm thread mount)
* Front and rear lens caps
In other words, you don't have to buy anything else along with this lens. If you have a Canon G10, it comes with everything you need. I had to call 47th Street Photo to confirm that.
When set up and mounted, the entire lens projects about five inches from the front surface of the camera, making it look like a miniaturized SLR.
Now that I have the lens, I understand a bit better how it works. At the camera's widest zoom angle, the fisheye circle takes up the center 1/4 of the frame, with black around it. At about mid-zoom, the majority of the frame is image, with black corners. At full zoom, you have roughly the equivalent of the camera by itself at its widest angle, and no barrel/fisheye distortion is evident. With the variable zoom, you can choose whether you have a rectangular or circular fisheye effect, although the barrel distortion becomes much less evident as you move toward rectangular.
The glass quality is pretty good. Images are clear, and the autofocus system works correctly. Opteka recommends setting the camera to a narrow aperture and focus at infinity, although shooting in low light with normal (large aperture) settings seems to work well with the G10. There is noticeable chromatic aberration at the edges of the fisheye circle, but we're talking about a $60 lens here.
The mount is a little shaky feeling -- the add-on barrel doesn't snick solidly into place like an SLR lens does (which is a pity, it wouldn't have been hard to make the mount that carefully; I don't know if this is a limitation of the camera or the Opteka mount, though). It's not going to come off, but it's a bit mobile on the camera, which feels a bit cheesy. The extension barrel and lens themselves are nicely machined, and appear to be high quality. Although the Opteka copy says it's "Made and Designed in Japan" (from their website), the lens I received is clearly marked CHINA. No shock for the price, but a bit off-putting to have expectations set incorrectly (the box says "Designed in Japan" on the side, and "Made in China" on the bottom). Until I saw the CHINA marking, I would have been willing to believe the lens was made in Japan as well, so this isn't a ding on the quality, more a ding on Opteka's marketing department.
Due to its size, this add-on lens takes the G10 from "barely pocketable" to requiring a bag of some variety. It nearly doubles the bulk of the camera if you want to carry both G10 and fisheye with you.
I'm very satisfied with the lens, and highly recommend it if you have occasional recreational use for a fisheye lens, and don't want to drop $700+ on a decent fisheye for your SLR. I would not recommend it for regular or professional use except as an option of last resort, mostly due to the shaky mount and likely marginal durability.
UPDATE: February 17, 2010
I have upgraded to the G11, and am pleased to report that this add-on lens also works well with the G11. There have been no problems with the lens, although it hasn't seen a whole lot of action. I have one new gripe, which is that with the supplied lens caps, the extension tube and fisheye lens must be separated in order to have a lens cap on the back of the fisheye. It's not a huge deal, but I'd prefer to have a rear lens cap that fits on the extension tube instead of threading onto the back of the lens unit, so I don't have to unscrew the two pieces every time the lens is put away.

Click Here to see more reviews about: Opteka HD² 0.20X Professional Super AF Fisheye Lens for Canon Powershot G10 & G11 Digital Camera

Opteka 10x HD² Professional Macro Lens for Canon Powershot G10 & G11 Digital Camera Very Nice Product Now you can take close-up shots like you never took before. Opteka proudly presents the next HD10X macro lens. Originally designed for dentists and medical use, the HD10X is now available to the public. Unlike current single element lenses, the HD10X has 4 elements of high definition optical glass that provides unbelievable detail. Cameras fitted with normal lenses do not permit us to move closer than a certain minimum distance from the object being photographed. The Close-Up lens, which is simply mounted in the front of our normal taking lens, permits the taking of close- ups and also makes possible the photography of details which would be quite impossible without using the Close-Up lens. The easy to use solution for getting extra close. These lenses enable you to get much closer than the minimum focus of the standard camera lens - as close as 4 inches from the subject. Ideal for cataloging small items and focusing on details. Features: * Now you can take close-up shots like you never took before * Enables you to get much closer than the minimum focus of the standard camera lens - as close as 4 inches from the subject.

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Rokinon 800mm Multi-Coated Mirror Lens with 2x Teleconverter (=1600mm) + Stedi-Stock Shoulder Brace Kit for Canon EOS 5D, 50D, 40D, Rebel XSi, XS, XTi, XT & T1i Digital SLR Cameras Review

Rokinon 800mm Multi-Coated Mirror Lens with 2x Teleconverter (=1600mm) + Stedi-Stock Shoulder Brace Kit for Canon EOS 5D, 50D, 40D, Rebel XSi, XS, XTi, XT and T1i Digital SLR Cameras
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Its a dman good telephoto lens which comes like free. I am happy with the product

Click Here to see more reviews about: Rokinon 800mm Multi-Coated Mirror Lens with 2x Teleconverter (=1600mm) + Stedi-Stock Shoulder Brace Kit for Canon EOS 5D, 50D, 40D, Rebel XSi, XS, XTi, XT & T1i Digital SLR Cameras

Kit includes:♦ 1) Rokinon 800mm f/8.0 Multi-Coated Mirror Lens♦ 2) 2x Teleconverter♦ 3) Stedi-Stock Optical Device Stabilizer♦ 4) Canon EOS T-Mount Adapter♦ 5) Rear Lens Cap for Canon EOS Lenses♦ 6) Precision Design Deluxe 6 Piece Lens & Digital SLR Camera Cleaning Kit The Rokinon 800mm f/8.0 Mirror Lens is a high-quality, computer designed product that incorporates the merits of both reflex optics and refraction optics. This combination provides the user with an extremely sharp picture with minimum color abberation. While this lens is designed for high definition telephoto photography, it is also one of the most affordable precision optics available, which allows anyone on any budget to enjoy shooting crisp, clear telephoto pictures.This kit includes a 2x teleconverter that easily attaches to the included lens and doubles its maximum focal length.Made in the USA, the Stedi-Stock is shaped like a traditional rifle stock, and provides a highly manueverable, lightweight, steady platform for all types of photographic devices, from large camcorders to miniscule point-and-shoot digital cameras, and even spotting scopes.This lens includes a T-mount adapter specifically designed for Canon EOS mount SLR and Digital SLR Cameras, as well as a rear lens cap.This 6-piece cleaning kit contains a Hurricane Air Blower, Lens Cleaning Tissues, Lens Cloth, Lens Cleaning Liquid, Brush and Cotton Swabs.

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Kenko 0.43X Fisheye Super Wide Angle lens for 37mm Camcorders #SGW-043 Review

Kenko 0.43X Fisheye Super Wide Angle lens for 37mm Camcorders #SGW-043
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This is not a true fisheye lens. The wide angle is okay but you get some vignetting. The construction of the lens feels solid but it is as good as a curved piece of glass will get. (you get what you pay for)

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This wide-angle lens is extremely small, and was created for high resolution compact video cameras that have 37mm sized filter threads or smaller. This high-quality lens has an extreme curvature of field, or fish-eye effect - a creative look for extreme sports, web-casts, etc. The optical glass lens elements are multi-coated to reduce the possibility of flare, ghosting and internal reflection.The Kenko SGW-043 designed for the following DV camcorders and Digital cameras:SONY: DCR-PC110 / PC120BT / PC100 DCR-TRV740 / TRV50 / TRV30 Mavica MVC-FD200 / FD100 / FD92 / FD87 / FD85 / FD75Cybershot DSC-P50 / P30 / DSC-S30 / DSC-51 JVC: GR-DVL915U / DVL815U / DVL920U / DVL510U Using optional Kenko stepping rings will connect to the following DV camcorders and Digital cameras:Canon (with 30.5mm-37mm): ZR50MC / ZR45MC / ZR10 / ZR20 / ZR25MC / ZR30 MC / OPTURA PiCanon (with 27mm-37mm): ELURA20MC / ELURA10 / ELURA 2JVC (with 27mm-37mm): GR-DVM75U / DVM55U / DVM90 / DVM80 / DVM70 / DVM50SONY (with 30mm-37mm): DCR-TRV27 / TRV25 / TRV18 / TRV17 / DCR-PC5 / PC9Nikon (with 28mm-37mm): Coolpix 995 / 990 / 950(with N4137) Nikon Coolpix 880, Olympus C-4040 / C-2020 / C-2040 / C-3030 / C-3040 Please note: May cause vignetting with some digital still cameras. Zooming is slightly will eliminate the problem while yielding a wider-angle view than normal.

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Belomo MS Peleng 3.5/8mm Fisheye Lens for Canon EOS Cameras, New Review

Belomo MS Peleng 3.5/8mm Fisheye Lens for Canon EOS Cameras, New
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The Belomo/Peleng 8mm is made in the former Soviet republic of Belarus between Russia and Poland. It is a circular fisheye lens for full-frame cameras such as the Canon EOS 5D Mark II. It creates a circular image that falls entirely within the camera's frame (with the top very slightly cut off by the edge of the frame on my copy), and that image shows a 180-degree hemispherical field of view. On an APS-C camera such as the Canon 7D, 50D, or any of the Rebels, the circle is larger than the sensor, so the image will almost fill the frame, with small black areas in the corners. With either type of sensor, the image shows the dramatic, curving distortion that fisheye lenses are famous (and infamous) for.
The main thing to understand, in this modern age of highly automated, computerized cameras and lenses, is that in many ways this lens is a throwback to the 1950s. (Insert your favorite joke about Soviet industry here.) It has no electrical circuitry whatsoever. When you mount this lens on a camera, the camera's brain does not even know it is there, and cannot control the lens in any way. Not only is focus fully manual, but aperture must be set manually as well, using a control ring on the lens. Aperture will be displayed in the viewfinder as "0", and recorded that way in image EXIF data.
There are three control rings on the lens body. The rearmost (closest to the camera body) is the focus ring. The other two control aperture. The frontmost ring lets you select apertures starting with f/3.5 and then from f/4 to f/16 in whole-stop increments (at least, it has markings and detents at the whole stops, and I haven't tried leaving it halfway between two detents). The middle ring is the aperture lock; it switches between wide-open aperture (in the "UNLOCK" position) and whatever aperture is selected on the aperture ring.
To shoot, your camera will need to be in full manual mode. Having selected an f/stop on the front ring, you can leave the aperture lock open while framing and focusing, then lock the aperture with the middle ring. Then adjust the shutter time and/or ISO level until the camera's meter indicates correct exposure.
Image quality is generally good, with (not surprisingly) some chromatic aberrations toward the edge of the circle. The image is sharp in the center; toward the edges it gets a bit softer, but not too bad. Contrast is decent but not great. The worst problem is flare, which will always be quite noticeable when bright lights or the sun are in the frame -- which can be hard to avoid with a 180-degree field of view.
The Peleng's minimum focus distance is about 8". The Sigma 8mm f/3.5 EX DG Circular Fisheye, which costs more than twice as much, can focus down to 5.3" according to Sigma's published specs, but as I have not used that lens I can't comment on it.
The Peleng is solidly built of anodized black metal and the control rings move comfortably. Unfortunately, the lens cap is held on only by friction and falls off easily unless you really press it on firmly. Since the front element protrudes from the lens body (as it must to take in such a wide field of view), the unreliable lens cap is annoying.
I have heard of some people buying the Canon or Nikon versions of this lens and receiving an M42-mount lens along with an adapter to convert M42 to Canon or Nikon. Mine, however, appears to have a permanently-attached Canon-compatible mount made of black plastic (similar to Canon's plastic mounts on some of their cheaper lenses). The mount fits my 5D Mark II, but slides on more easily than Canon's lenses do; the fit is not quite loose, but it isn't as tight as other EF-mount lenses. When fully mounted, it is possible to rotate the lens slightly. This probably isn't an issue for general use since there are no electrical connections between the lens and the camera, but you probably shouldn't take your camera out in the rain with this lens on it.
I recommend this lens for those who want an 8mm fisheye at a budget price and aren't afraid of doing everything manually. If you want a more automated circular fisheye lens (or a diagonal fisheye designed for APS-C), you'll have to pay substantially more for the Sigma I mentioned above.

Click Here to see more reviews about: Belomo MS Peleng 3.5/8mm Fisheye Lens for Canon EOS Cameras, New

The new Fisheye Peleng 3.5/8 mm lens is an interchangeable, short- focus, super wide-angle, compact lens that provides a stunning circular field of view of 180 degrees and a circular image (not a full-frame image) on the 35mm negative. It is a must when taking pictures with a large field of view, such as architecture, landscape, and group scenes. You can use this lens for shooting color, black-and-white, and infrared films. It provides meter coupling to your cameras exposure meter, so you maintain through-the-lens metering.MS Peleng AC has a dedicated Canon EOS mount allowing to use the lens manually with Canon EOS digital and film cameras.

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Sigma 15mm f/2.8 EX DG Diagonal Fisheye Lens for Canon SLR Cameras Review

Sigma 15mm f/2.8 EX DG Diagonal Fisheye Lens for Canon SLR Cameras
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Hi, I just wanted to give this lens a fair review. As the other reviewer mentioned, if you use it with an APS-C sensor digital slr, you won't see a whole lot of distortion. It's no different from the Canon brand fisheye on a camera like that. But, if you use it with film, or with a larger sensor size camera, full-frame if possible, it's really quite a beautiful, sharp, and very fish-eyed lens. On a Canon 5D it performed really well for me. I just wanted to say that on the right camera, it's really quite a lens.

Click Here to see more reviews about: Sigma 15mm f/2.8 EX DG Diagonal Fisheye Lens for Canon SLR Cameras

The Sigma 15mm f2.8 EX DG Diagonal Fisheye Lens for Canon Digital SLR Cameras is a digitally optimized diagonal fisheye auto-focus lens. It is equipped with the latest in multi-layer coating technology that reduces both flare and ghosting. By taking advantage of both the distortion specific to fisheye lenses and the minimum shooting distance of 5.9 inches, the photographer can shoot error-free creative images.By offering a 180 degree field of view, this fisheye lens can be used to create amazing image expressions that cannot be seen with the human eye, such as exaggerated perspective and distortion.The minimum shooting distance and large depth of field allow close up photography that covers the objects surrounding the photographic subject. The lens is supplied with a gelatin filter holder at the rear, allowing the use of gelatin filters.

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Lensbaby The Muse for Canon EF mount Digital SLR Cameras (Plastic) Review

Lensbaby The Muse for Canon EF mount Digital SLR Cameras (Plastic)
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If you're really looking to expand your creative possibilities, look no further (except maybe to the Lensbaby Composer). For the money and the creativity you can't find a better item. These are one of a kind and pure fun. I also bought the single-glass optic to swap out and i do like that more than the plastic..however as Lensbaby is not selling one with a single-glass optic in it, I had to buy it seperately. But now I have the plastic one in this product and the extra single-glass to have fun with.

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All Lensbaby\' selective focus SLR camera lenses provide photographers with a new way to control depth of field by bringing one area of a photo into sharpest focus with that Sweet Spot surrounded by graduated blur. By bending the Lensbaby lens, the photographer moves the sharp area around the photo for customized creative effects.

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Bower 8mm f/3.5 Fisheye Manual Focus Lens for Canon APS-C EOS Autofocus Cameras Review

Bower 8mm f/3.5 Fisheye Manual Focus Lens for Canon APS-C EOS Autofocus Cameras
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I would like to start off by saying that this review of taking in cost in evaluating this lens. Taking that in, this is one of my favorite lenses that I have ever purchased! It is a manual focus lens, but you rarely ever need quick focus when using this lens and with as wide of a lens as this is, the depth of field is so vast that absolutely exact focus is rarely needed without some time to try some tweaking. For a lens this inexpensive, it is extremely sharp when not at the extreme aperatures (f5.6-f11). It is really pretty decent even at the extremes. It is a very fun lens to use and allows one to take creative open shots which are not allowed without using much much more expensive alternatives. I would highly recommend this lens!

Click Here to see more reviews about: Bower 8mm f/3.5 Fisheye Manual Focus Lens for Canon APS-C EOS Autofocus Cameras

The Bower 8mm f/3.5 Ultra-Wide Fisheye Lens with a 180° angle of view, allows the photographer to see his subjects in unique way. This ultra-wide delivers a rounded perspective, well-suited to landscapes and unusual portraiture. It has multi-coated elements and a fixed petal-type lens hood to reduce flare and ghosting.

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Sigma 8mm f/3.5 EX DG Circular Fisheye Lens for Sigma SLR Cameras Review

Sigma 8mm f/3.5 EX DG Circular Fisheye Lens for Sigma SLR Cameras
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I got mine about a month ago and am just back from 10 days in Italy, where I used this extensively.
Sharp, good flare control, lots of fun. The previous reviewer says something about the AF being slow-- which, while true, is only half the story. You're almost always going to be focusing at or near infinity, so it's actually very rare to have to wait. Because this lens has such wide depth of field, I actually usually keep it on manual focus and leave it near infinity.
Actually, the biggest challenge with this lens is composition-- it can be surprisingly hard to find a scene with interesting things in all directions. That said, this lens is *excellent* for inside buildings and crowded city streets. Be aware that outdoors, finding the correct exposure can be difficult for a number of reasons. I did significantly better in M (manual) mode than my camera was doing in A (aperture) mode. (reasons for difficulty include the dark corners in the frame which mess up the camera's metering in some modes, and the probability that the sun will be in the frame and/or there will be both very light and very dark areas in the frame)
This lens is excellent for making spherical panoramas, and for realllllly wide angle shots (I'm de-fishing a lot of my pictures with software).
(I use this lens with a Canon 10D)

Click Here to see more reviews about: Sigma 8mm f/3.5 EX DG Circular Fisheye Lens for Sigma SLR Cameras

This circular fisheye lens produces circular images with an angle of view of 180° when attached to a full-frame digital or 35mm film SLR camera. It has a maximum aperture of F3.5, a minimum focusing distance of 13.5cm (5.5") and a maximum magnification of 1:4.6. The special fisheye design allows maximum creative expression. Sigma's super multi-layer lens coating reduces flare and ghosting, a common problem with digital cameras. The new lens power layout reduces color aberrations. Providing excellent image quality for digital and film SLR cameras. This lens can be used for the scientific applications such as the solid angle measurements of cloud distribution over the sky, the vegetation distribution of the rain forest canopy, etc., due to the quantifiable angle/area relationship it produces. This lens has a gelatin filter holder at the rear, allowing the use of gelatin filters

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Opteka .35x HD² Super Wide Angle Panoramic Macro Fisheye Lens for Canon EOS / EF Review

Opteka .35x HD² Super Wide Angle Panoramic Macro Fisheye Lens for Canon EOS / EF
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As mentioned before, this is not a lens, it's a conversion lens.
I purchased this to use on the kit 18-55mm lens on my Canon Rebel XT. The kit lens on the camera is pretty decent, but not worth buying a ridiculously priced conversion lens... not to mention, buying a nice Canon fisheye is way out of my budget at the moment.
With all that said, I bought the Opteka because I wanted the semi fisheye effect for some experimental & skateboard photography, and because I'm too broke from the holidays to purchase a high end, dedicated fisheye lens.
The conversion lens impressed me quite a bit. Using the aforementioned kit lens, I attached the supplied conversion ring (metal, which is good) as the conversion lens' threads are too small to fit the 58mm threading of the Rebel XT's stock lens. No big deal, really... screw on the ring, then screw the conversion lens into the ring and you're all set.
If you zoom back all the way, you can get a significantly distorted image, appearing like an orb surrounded by dark vignetting (like looking through a door's peephole).
If you zoom past the vignetting, you can achieve some pretty decent wide angle shots, with some expected distortion on the far left, far right, and very center of the image... then again, that's what fisheye's are all about.
The conversion lens comes with a little hood scoop, but it really doesn't need it, and if you pull your focus back all the way with the scoop out, you'll wind up with two metallic crescents increasing your vignetting.
The conversion lens comes in a pretty rigid leather (or fake leather, I really don't know) case lined with a suede-like material. If you're buying this for your Rebel's 18-55 kit lens, expect to see a metal ring in the box.
The conversion lens unscrews toward the bottom, and when the bottom section is attached to your camera you wind up with a macro lens. I've played with it just enough to say that "it works," but 99% of my usage is based around the fisheye functionality.
If you're looking to blow around $30 and you want to have fun experimenting with your DSLR (or video camera if it fits or you have a ring adapter for it), you can expect to get your money's worth out of this thing.
Shooting with a fish/semi fish requires a different type of mentality than shooting normal photos. While fisheye photography can be overdone, they make for really good up-close action shots, nature shots, and even landscapes & experimental work. This conversion kit *will* distort your image, it's supposed to. It's all about using the curvature to enhance your subject.
Last note: on some tests from 2 up to 10 feet away, the auto focus functionality seems to work fine with this extension. If you pull the lense back all the way, the vignetting will be a black blurry halo, as the multipoint auto focus will concentrate on whatever you're pointing at (rather than the conversion lens' inner lining).
For best results, prepare your shot and focus manually. Very fun conversion kit, by no means professional grade, but pretty darn good. Great to have in the camera bag.

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The new Opteka High Definition² .35x Ultra Wide Angle Fisheye Converter Lens increases the versatility of your existing lens to provide breathtaking ultra wide angle views. And it's so easy to use! Additionally the built-in detachable macro lens allows you to take extreme high resolution close-up shots! Nothing changes the way you see the world like High Definition² and no company does High Definition² like Opteka. Opteka's glass optics define High Definition. Change the way you view the world. Enjoy outstanding detail, enjoy enhanced clarity, enjoy Opteka!

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Rokinon 8 mm f/3.5 Lens for Olympus Cameras Review

Rokinon 8 mm f/3.5 Lens for Olympus Cameras
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I can not afford one of the higher end fisheye lens's, so this inexpensive option was very welcomed. In spite of the manual focus I have had no problems getting fabulous results w/ this lens. I set my camera for aperture priority and I handle the focus, no big deal. I really love this lens, and I've just begun to tap its potential.
This lens has a very solid feel and I'm pleasantly surprised by it's excellent build quality. Do not hesitate, you won't regret it!

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Rokinon 8mm F/3.5 Fisheye Lens for Nikon; Lens creates images with an expanded perspective and allows user to capture a very unique perspective; Lens Conforms to APS-C (1:1.5x) size digital imaging format; Lens Actualizes 8mm focal length and a diagonal angle of view of 180 degrees for APS-C size; Lens Corrects aberrations using a complex aspherical lens; Manual Focus; Aperture range of F/3.5 ~ 22; Built-in Petal type hood and multi-coating help control flaring and ghosting; Minimum focusing distance of 12 inches (0.3m); Includes Lens Pouch, Instruction Manual, and One Year Rokinon Warranty

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Lomographic Fisheye Number 2 Camera Review

Lomographic Fisheye Number 2 Camera
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I had a great time using the original Lomo fisheye. The camera had it's limitations, including the annoying habit of shooting pictures of the inside of your bag while you weren't looking, but overall a workhorse that provided consistent image quality.
Having worn that first one out with heavy use, I decided to upgrade to the Lomo Fisheye 2. Tee features, locking shutter button, manual exposure with rear curtain flash, hotshoe!! all the things I covetted. Unfortunately, this model is just not what it could be, especially with the increased cost and SIZE versus slim changes in your average functionality.
Here's my specific, whining complaints. Most are what I consider design flaws or thoughtlessness that hamper truly effective use of the camera. (I assume others may not be impeded or annoyed by one or all of these issues, but if they haven't been redesigned, these are definite considerations to before purchase.
1. Film wind crank will not stay folded flush to camera. It is extremely flimsy, especially when taking into account the camera's poor winding action. The crank is going to either snap off in my bag or while winding a roll of film in the near future as it continues to loosen daily.
2. Lens cap will not stay on the lens. It just falls off, dragged down by the weight of it's cord or pushed off by the slightest contact. There are little tabs on the cap rim that are meant to hook over the BIG, gratuitous, metal lip of the lens body, but the cap itself is too soft and elastic to maintain a grip. My cap is now gone, having been torn off the lanyard somewhere then (my bad) misplaced during a night shoot where I was using the Fisheye to pick up some distinctive wide angles in addition to stard shots on a regular digital SLR.
3. The lens body got in the way of the flash on the Lomo Fisheye 1 when taking night or inside pictures. Why then make the lens body bigger, adding seemingly unnecessary, big, metal lip as a design element, further occluding the flash!! Why? To hold the lens cap on? Nearly no one is going to make a hotshoe mounted, full size flash unit their primary flash on this camera. For most it's a point and shoot, made especially enjoyable by it's unique images and instant use-ability. The fun of this camera disappears if you can't carry it easily and use it quickly.
4. Thanks for the hot shoe!! Great idea. Why not add a tripod mount socket to the base of the camera as well??? That would almost be more useful than the hot shoe with the new manual/buld setting on the shutter (THAT"S A FANTASTIC ADDITION. No complaints there.). Most flashes are going to make this light camera too awkward.
5. The film winding is constantly too tight causing the gears to frequently slip while advancing the film. Added pressure on film door back helps. Maybe using film loads of 24 exposures instead of 36 would work better.
6. Battery use and life has been greatly improved!! Flimsy battery door that can come open in your bag, has not.
7. Surprisingly, I find the new lens not as sharp on my Fisheye 2 as my earlier Fisheye 1. Too many elements maybe?? Something specific to mine? The sweet spot is not where it was somehow.
Lastly, I want to restate, after shooting hundreds of photos on both Fiheye models, I really like these cameras. More images have been shot on my Lomos over the last couple of years than on my digital SLR that cost 20 times as much. I would recommend both Fisheye 1 and 2 to anyone who enjoys serious play with cameras or shooting unique, candid, reportage, or experimental style photographs. Because you are shooting film, you have the ability to make some great blowups. I would though, recommend working with the best film you can afford and processing with a lab that will be attentive to their developing and printing process since the range of exposure accuracy is limited to the speed of film you choose and whether you turn on the flash, or your instinct when playing with log exposures.
If you want to carry it in your pocket, get the Fisheye 1.
That's enough from me.


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The world's greatest compact Fisheye camera is now more amazing than you ever thought possible! Not only does it have same 180-degree wide-angle view and stunning fisheye barrel distortion, but the Fisheye No. 2 adds a bulb setting for long exposures, a switch for multiple exposures on the same frame, the ability to fire both a hotshoe flash and the built-in flash, a true fisheye viewfinder, and a "full metal jacket" body treatment. With this new arsenal, the possibilities for your Fisheye lomography are endless! Uses normal 35mm film that can be developed anywhere.FEATURES"B" (Bulb) settingBy holding down the shutter button with your finger, you can keep the shutter open for as long as you like - thereby inviting all the gorgeous ambient light outside to come on in. To close the shutter, merely release the button."LNB" variable exposure switchUse this to control your Fisheye 2's shutter timing. "L" locks the shutter so it can't accidentally fire. "N" shoots a normal, instant exposure (1/100 sec, f/8). "B" or "bulb" selects Fisheye 2's long exposure capabilities - as detailed above.Standard Flash Hotshoe & Built-In Electronic FlashUse this to sync a Lomographic Colorsplash Flash or any other manual hotshoe flash to your Fisheye 2. The flash will fire when you hit the shutter release. You can also use the internal (built-in) flash as well. When using the "N" setting, both the internal and hotshoe flash will fire when you hit the shutter button (first curtain). If you select "B", then the hotshoe flash will fire when you first depress the button (first curtain), and the internal flash will fire when you let go of the button (second curtain).Multiple Exposure Switch (MX)

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Rokinon D980AFZ-C Digital TTL Power Zoom Flash for Canon (Black) Review

Rokinon D980AFZ-C Digital TTL Power Zoom Flash for Canon (Black)
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I this use it as a slave flash which automatically synchronizes and Fires with my camera built in flash. Been using it for about a month now and it Feels sturdy and performs great. I would recommend this flash.

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The Rokinon D980AFZ Power Zoom Flash supports full TTL control and attaches to your camera's hot shoe. This model features fully automatic TTL operation, power zoom, bounce and a LCD panel to help photographers fill shadows, add depth, avoid red-eye and improve image resolution.

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RainbowImaging 58mm Adjustable Fader ND Filter Neutral Density (ND2 - ND400) Multi-Coated Japan Review

RainbowImaging 58mm Adjustable Fader ND Filter Neutral Density (ND2 - ND400) Multi-Coated Japan
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Nothing matches the power of a Neutral Density (ND) filter for a simple means to introduce dynamic elements into an otherwise static scene. For those who don't know, neutral density filters reduce the amount of light coming through the lens. With an ND filter, you cn reduce the light, so you can use a slower exposure and blur that waterfall you're photographing. It looks a like more like a waterfall if the falling water isn't frozen in time and space. Likewise, let's say you're photographing a street scene - use a ND filter and the shoppers hurrying along become blurred, adding a dynamic element to the scene. By the way, you'll generally want to use a tripod or monopod when shooting with ND filters.
This ND filter is adjustable through a range of NF number 2 through 400, which is quite remarkable. That's a range of 8 f-stops. It sure beats having to carry several ND filters and fumbling for the one you want.
There is no question that these are inexpensive filters. The nearest competitor is twice as costly. These filters are multi-coated instead of single-coated.
I've only been able to put them to limited use so far, because it is winter in Chicago and I am not doing much outdoor photography.
But so far, my limited tests have been encouraging. The adjustment ring slides smoothly and stays in place. I've noticed no color shifts (something that would be typical with inexpensive filters). Vignetting on a 28mm digital camera lens is moderately severe at 28mm, but disappears between 35 - 50mm. For landscape photography, this could be a killer unless you are willing to crop your photos.
Overall, I am very pleased with this ND filter. It seems to do the job without breaking the bank.
Jerry


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Neutral Density (ND) filters can reduce the intensity of light without appreciably changing its color. Classic ND filters have different f-stop reduction numbers and transmittance thus generated can be applied for different shooting conditions, such as portraiture, water falls, etc. This innovative item brings great innovation of the filter industry. Through the polarization angle modulation (rotate the filter ring when operating), this lens can change the luminous flux substantially with freedom, reducing the ND number from 2 to 400! It can easily replace dozens of all grade of density ND gray filters The filter is made of two pieces of high polarizer (HPL) which has above 99.7 polarization and a precision rotary of the wide-angle lens ring. Please note the glass of this filter is made in Japan, and it is multi-coated. (a single coated will sell at better price)..

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Vivitar - Fisheye lens - 7 mm - f/3.5 - Canon EF Review

Vivitar - Fisheye lens - 7 mm - f/3.5 - Canon EF
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First of all, let's clarify that this lens is not made by Vivitar - it is rebranded and originally made by Samyang (as Samyang 8mm). It seems that the cosmetic design of the lens might be unique to Vivitar. You can find this lens also branded as Bower, Polar, Falcon, Rokinon, Digital Innovations. And of course, Samyang. The Vivitar version is the sexist-looking though. here is rokinon:
Rokinon 8mm f/3.5 Aspherical Fisheye Manual Focus Lens for Canon EOS 50D, 40D, 30D, 20D, 10D, Digital Rebel (300D), Rebel XT (350D), Rebel XTi (400D), Rebel XS (100D), Rebel XSi (450D) & Rebel T1i (500D) Digital SLR Cameras
You'll also notice that the other brands call this lens a different focal length - Samyang calls it 8mm for example. Just to be clear, these are all the same lens. Why the difference? Well, you probably don't even want to call the lens 7 or 8mm. If you compare it to other lenses, it will be closer to 10 or 12mm. The main issue is that this lens doesn't use the normal (equisolid) fisheye projection, but rather, a "stereographic" projection. What does this mean? It means that the "fisheye distortion" is not quite as pronounced at the sides of the image.
If you have a full-frame sensor, you can cut off the lens hood of this lens and have a "circular" fisheye similar to an 8mm lens on a 1.5 or 1.6 crop sensor. (yes this will void your warranty ;-)
Overall, the image quality of this lens is on par with lenses that cost twice as much, or more.
For some incredibly in-depth analysis of this lens, check the intrepid Michel Thoby's page:
[...]

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Vivitar 7mm f/3.5 Fisheye Lens for Canon Features
This Vivitar 7mm f/3.5 Fisheye Lens is suitable for both artistic and technical photography. Extreme-wide angle lenses are pleasingly distorted in a hemispherical projection, resulting in an image that looks like the eye of a fish.
The Vivitar 7mm f/3.5 fisheye lens is created for APS-C image sensor. It creates images with an expanded perspective, including images with a creatively deformed outlook and a sharp pan focus that extends throughout the entire frame. By offering 180 degree angle of view, this fisheye lens can be used to create amazing image expressions that cannot be seen with the human eye, such as exaggerated perspective and distortion. The minimum shooting distance and large depth of field gives new meaning to close-up shots.

180° diagonal angle of view
Multi-coated glass reduces flare and aberrations



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Rokinon FE8M-P 8mm F3.5 Fisheye Lens for Pentax (Black) Review

Rokinon FE8M-P 8mm F3.5 Fisheye Lens for Pentax (Black)
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This lens is available under multiple brand names. I reviewed the Pentax version here: Opteka 6.5mm f/3.5 Manual Focus Aspherical Fisheye Lens for Pentax and Samsung Digital SLR Cameras. I suspect that the review that Gawain tried to include is the one from the lenstip site (dotcom). What Gawain didn't know (because this product's descriptions don't cover this) is that the Pentax lens IS NOT manual aperture (Canon and Nikon versions are, but not the Pentax) - this lens is just manual focus - the aperture can be set in camera once you set the ring to A. The problem is that the lens pictured here is probably a Canon/Nikon version. BH has the correct photo for the Pentax mount where you can see the A position.

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Rokinon 8mm F/3.5 Fisheye Lens for Pentax; Lens creates images with an expanded perspective and allows user to capture a very unique perspective; Lens Conforms to APS-C (1:1.5x) size digital imaging format; Lens Actualizes 8mm focal length and a diagonal angle of view of 180 degrees for APS-C size; Lens Corrects aberrations using a complex aspherical lens; Manual Focus;Aperture range of F/3.5 ~ 22; Built-in Petal type hood and multi-coating help control flaring and ghosting; Minimum focusing distance of 12 inches (0.3m); Includes Lens Pouch, Instruction Manual, and One Year Rokinon Warranty

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