Work with ISO: How to Assess Your Camera's High ISO


show more Assessing your camera's high ISO provides you with in-depth training on Photography. Taught by Ben Long as part of the Foundations of Photography: Exposure show less
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Assessing your camera's high ISO

The ability to change ISO on a shot-by -shot basis will get you out of a lot of situations where your shutter speed would otherwise be too slow for hand-held shooting. But you'll pay a noise penalty as you increase ISO, so you don't want it to go any higher than you have to. Therefore, before you go out shooting and wantonly raising your ISO, you want an idea of how much noise you'll suffer in your images as ISO increases, and you can easily figure this out by taking some test shots. Grab your camera and find a low-light situation--just go out at night.

Put your camera in program mode, set the ISO to its lowest setting-- usually 100 or 200--and shoot a scene. Now raise your ISO by one stop--that is, one doubling. So if you are at 100, you go to 200. Shoot the same scene, same framing. Now work your way through each of your full-stop ISO increments, so that's going to be 100, 200, 400, 800, 1600. Your camera might even go higher, 3200, 6400, 12,500. It might even go more than...

Assessing your camera's high ISO
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Assessing your camera's high ISO provides you with in-depth training on Photography. Taught by Ben Long as part of the Foundations of Photography: Exposure

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