Showing posts with label meter. Show all posts
Showing posts with label meter. Show all posts

Digital Flash Meter Review

Digital Flash Meter
Average Reviews:

(More customer reviews)
This is an amazing Flash Meter, not expensive but it does the job very well. Easy to use.

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Polaris is a professional exposure meter with world-class features and performance, at a fraction of the cost of comparable models.
Polaris has the function and microprocessor-driven accuracy you expect, plus some additional conveniences might not, like an oversized LCD display, multi-flash capability and user-preset program levels. More features and a lower price makes Polaris an unbeatable value.
Oversized LCD display shows all the data and functions clearly and easily, even at full arm's length.Large analog scale for easy fractional measurements Custom Program Level Function lets you personalize your meter to match your style of shooting. Adjust the meter level or return to standard levels with the touch of a button.Eight additional shutter speeds available to match the sync speed of virtually any camera. No guessing or searching for a shutter speed close to the sync speed of your camera.Multi-flash feature makes it simple to calculate how many times the flash must be fired to achieve a desired f/stop.


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Sekonic L-758DR Light Meter (Black) Review

Sekonic L-758DR Light Meter (Black)
Average Reviews:

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I really like this meter. It does everything I need and a bit more. I find it easy to use as it follows similar interface design as my DSLR's "press-this-and-spin-that" UI. The integrated pocket wizard, ability to meter light ratios and balance ambient light is fantastic. The use of this meter has improved my shots.
A previous reviewer said the interface was poor - I disagree. The interface is extremely simple for the basic functions you'll use all the time. Set the ISO, take a reading, change between reflected spot and incident, set the pocket wizard channel, set the exposure time for ambient, etc.
When using the more advanced features, it gets a little more complicated. For example, metering the highlights, the shadows and mid-tones and display them all at once, or meter the lighting ratio between lights. Perhaps it could be a little easier but I don't find it a hinderance.
In fact I didn't notice the complexity as it's no more complicated than most of the features on my Nikon D700. The Sekonic, happily, follows the same convention of rapid key combinations for instant access to features instead of slow menu driven interfaces. Yes the menus are easier to learn - but you'd pay that speed penalty every time you'd use it. Once you learn how to play the Sekonic's keys, the price is paid and you get the speed benefit every time you use it.
Now it would be slick if, like the pro DSLRs, they provided both a menu and a key. But I still wouldn't use the menu.

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Spot & Incident Light Readings Under Flash and/or Ambient Lighting Conditions Calibrated to match the Sensitivity of Your Camera\'s Imaging SensorThe Sekonic L-758DR DigitalMaster is simply the most dynamic light meter you will ever own. It can record incident or 1-degree spot-readings under ambient and/or strobe lighting down to a tenth-stop in accuracy, and it\'s sealed against the nastiest of weather. With the included Sekonic RT-32 Radio Transmitter Module and you can wirelessly trigger PocketWizard-enabled flash systems within a 100\' range. But that\'s not what makes the Sekonic L-758DR DigitalMaster different from any other meter you have owned. What moves the L-758DR DigitalMaster to the head of the class is that it is the only meter that can be calibrated to read light the way the sensor in your particular camerareads light.Like film, imaging sensors vary in light sensitivity levels from one batch to the next. Despite manufacturers best efforts, fluctuations of native ISO sensitivities of up to plus/minus half-a-stop can be detected across the uncut wafers as they come off the manufacturing line. Depending on which ‘slice of the pie\' is inside your camera, the specs listed in the camera manual may not hold true to the characteristics of the sensor in your particular camera.By running an easy calibration test using Sekonic\'s L-758DR, a Sekonic Exposure Profile Target (optional) and the included Data Transfer Software (Mac & Windows), you can accurately profile the sensitivity characteristics of your camera\'s sensor to determine the compensation value for its true native ISO, dynamic range and clipping points.After calculating the test data and establishing new exposure parameters, this data is uploaded from your computer via the included USB cable back to the meter where it is stored as camera profiles. Profiling data from up to 3 cameras can be stored in your meter for instant recall.

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Polaris SPD100 Digital Exposure Meter Review

Polaris SPD100 Digital Exposure Meter
Average Reviews:

(More customer reviews)
I have one of these that I use regularly with my studio flash setup.
Inexpensive high-power studio flashes generally don't work with your camera's TTL metering system, and when you bring in multiple lights, complex diffusers and so forth, calculating exposure gets to be a challenge. With the Polaris, I setup my lighting the way I want, fire the flashes (either one at a time or all at once), and the meter gives me correct exposure information that's always 100% spot on. It can also help me achieve certain specific lighting ratios, such as making sure the background is subdued or helping me know one part of my subject isn't in too-deep shadows - in effect, you just fire the flash a few times, metering all the key parts and noting how far apart the exposures are. For calculating studio flash exposure, the Polaris can't be beat, especially considering the price.
Of course, these days you can achieve good results with digital cameras by simply taking lots of test exposures...there's no film cost, and most photographers tend to have a few lighting setups that really don't vary all that much. This means there aren't too many exposure combinations, and you can probably home in on it trial and error if you want. Or, you can do it the old-fashioned way by knowing the guide numbers of your flashes and dividing by flash to subject distance. Still, having a meter like the Polaris makes this much faster and more precise, especially if you tend to shoot under lots of varying conditions.
There are also flashes like the Nikon Creative Lighting System that actually do integrate with certain camera metering systems, even when multiple, off-camera flashes are used. These are wonderfully flexible units, but I still find myself using my somewhat old-fashioned (by CLS standards) studio strobes to get the power and light quality I want. There are so many types of flash attachments - big diffusers/soft boxes, snoots, barn doors, gobos, etc etc etc - that just don't work with the compact flashes Nikon and others make. The Polaris makes using these setups almost as easy as having a TTL flash.
The Polaris can, of course, also be used as a more conventional exposure meter under nearly any condition. Frankly, the meter in most of my cameras are so good under most non-studio flash conditions, I tend to only rarely use it this way.
About the only thing the Polaris doesn't do is include built-in color temperature metering. This would simplify situations where you have a mix of different light sources and you want to set the white balance for a particular effect.
Otherwise, it's a small, compact and lightweight unit. It doesn't seem particularly rugged, but since I tend to wear mine around my neck on a lanyard, I'd rather have lightweight than a unit built like a tank. The display is large and easy to read, even in dim light, and it runs quite a long time on a set of batteries.
Recommended as a low-cost alternative to some of the other more expensive brands.

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Polaris SPD100 is an easy to use flash and ambient light meter. Take accurate meter readings accurate to 1/10th of an F-Stop and get good exposures every time. One of the best values in exposure meters on the market.

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Sekonic L-308s Light Meter (Black) Review

Sekonic L-308s Light Meter (Black)
Average Reviews:

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This meter is dead easy to use, largely because it is not cluttered with features most of us don't need often if ever. This meter is one you put at the subject location or hold in the sun to obtain a single reading. If you want to read various locations in a scene and have your meter provide an "average" reading, this meter is not for you -- you'll have to figure the average in your head.
It has the advantage of using easily obtained and relatively cheap batteries, which in a pinch can be pirated from other devices most of us have around the place, such as small flashlights and TV remote controls.

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The pocket-sized Sekonic L-308S FLASHMATE is the smallest and lightest digital light meter in the Sekonic line-up. Designed to read ambient or flash exposures in either reflected or incident modes, the L-308S delivers accurate exposure readings in full, half, or third-stop increments to mirror the exposure displays of most popular cameras. When set to full-stop mode, exposures are displayed in tenth-stop increments with a repeat accuracy of +/- 0.1 EV.Reflected readings capture at a light receiving angle of about 40-degrees, or slightly wider than the viewing field of a normal lens. For incident readings, a small, built-in Lumisphere slides over the silicon diode sensor. For flat-field incident readings, a Lumidisc (included) snaps over the sensor for metering flat artwork or measuring contrast and/or exposure ratios within a scene. Electronic flash exposures can be taken with or without a PC cord.

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