Average Reviews:
(More customer reviews)I just received this lens and made a test shot I've made with other lenses. I took a shot of a satellite dish over a half a block away. Handheld. Magnifying it with Photoshop not only can I see the 'Dish Network' clearly, but magnifying a little more I can read the 'TM' underneath the logo. Clear as a bell.
This lens is a vast improvement over the 170-500 model. I used that lens on a wildlife trip and had to jack up the ISO to 800-1600 to get decent shutter speeds and a clear picture. Unfortunately that introduced noise, really bad in some shots. The D300 is much better than the D200 in that regard, but the lens was pretty much unusable without a tripod. This lens will alleviate any of those problems.
I usually buy Nikon lenses. This and the Sigma earlier models including the 170-500 (which I had to buy for a trip and now I'm selling) are the only lenses I could find that gave a substantial difference over the Nikon 70-300 VR. The Nikon 80-400 VR is $[...] and focuses slowly, and you can pretty much just crop to achieve the 100mm difference (I tried it to be sure.)
I'm looking forward to using this with a 1.4 teleconverter, you lose autofocus and 1 stop, can only go down to 100mm but get a 35mm equivalent of 1050mm! For only $[...]!
The quality of the lens is very good. There is zero zoom creep. Autofocusing is fast, though just a tad off (a few pixels off on the 'TM' - could be the camera, and that can be adjusted.) Manual focusing is tricky with the tripod collar on, it blocks the focusing ring so either move your hand to the top, slide your hand in between the lens and collar, or take the collar off. I got perfect focus using the viewfinder indicator as a reference point. The finish is of high quality, but a little strange. The whole lens including the hood is coated in some kind of flat black matte textured finish, makes me think of a stealth bomber.
I did a lot of research to find this lens, and was waiting for it since it's introduction 2 or more months ago. There is just no Nikon equivalent without buying a f/4 400mm with a TC-17 for about $5000 or so. If Nikon had a lens at 500-600mm for not too bad of a price hit I would have bought it. After playing with this lens just a little bit I'm glad I bought it. I'm fiercely loyal to Nikon, and it's arguably a better product, but I can afford to buy this lens 5 times over if it breaks, and it also saves the whole price of 2 photography workshops/tours.
There will probably be a lot of testing and comparing of this lens. None of that matters to me as it passed the satellite dish test with flying colors, I didn't even know the TM was there before today.
Edit 3/16/09 - I recently bought the Sigma 1.4 teleconverter to go with this lens. The 1st time I really used the combo was during the adding of the spire to the Trump Tower in Chicago. I was on the 7th floor of a building 1-1/2 miles away measured by Google Maps. I could see the men waiting in the spire for the next section to arrive. I had to back way off on the lens to get the tower and the helicopter lowering the sections into the frame. I lost autofocus, but it was no big deal to focus manually visually or with the in-focus indicator. Unfortunately I had to shoot through a dirty window, and it was pretty hazy, so the shots aren't that great but I don't blame the lens, the shots are better than anybody else got.
Edit 3/18/10 - Added Trump Tower picture to product images.
Click Here to see more reviews about: Sigma 150-500mm f/5-6.3 AF APO DG OS HSM Telephoto Zoom Lens for Canon Digital SLR Cameras
The Sigma 150-500mm ultra-telephoto zoom lens covers a telephoto range of up to 500mm, letting you bring almost any subject close for short-perspective shots. The lens employs Sigma's original Optical Stabilizer (OS) function, which gives you access to shutter speeds approximately four stops slower without blurring the image. As a result, you can capture low-light, long-distance shots such as football plays, wildlife profiles, and landscape scenes without using a tripod for each photo. In addition, the lens incorporates a Hyper Sonic Motor (HSM) for quick, high-speed autofocusing, along with a rear focus system that guarantees optimum image quality throughout the entire zoom range. And photographers will love the three special low dispersion (SLD) glass elements, which correct for chromatic aberration, and the super multilayer lens coating, which reduces flare and ghosting. Other details include an option for full-time manual focusing, a close focusing distance of 86.6 inches, and an 86mm filter size. Compatible with optional 1.4x and 2x tele converters--which produce a 210-700mm length or 300-1000mm length respectively--the Sigma 150-500mm lens carries a one-year warranty.
Specifications
Focal length: 150-500mm
Maximum aperture: f/5-6.3
Lens construction: 21 elements in 15 groups
Angle of view: 16.4 to 5 degrees
Number of diaphragm blades: 9
Minimum aperture: f/22
Minimum focusing distance: 86.6 inches
Maximum magnification: 1:5.2
Filter size: 86mm
Hood type: Bayonet
Mount: Canon
Dimensions: 3.7 inches in diameter and 9.9 inches long
Weight: 67.4 ounces
Warranty: 1 year
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