What ISO to keep on A mode?

Started Apr 21, 2014 | Questions thread
Tom Axford Veteran Member • Posts: 5,499
Low ISO gives best image quality

Sandy70 wrote:

For rotineday time still images, eg landscape,street views,portraits, What should be the starting ISO-200/400 range?.

In general you will get the best image quality at the lowest ISO setting.

If the light is very good, I typically set the ISO to the lowest setting and leave it there.

If I am shooting in widely varying light conditions and don't want to spend time thinking about the exposure for every shot, then I set ISO on Auto. In A mode, this means that the camera will choose a low ISO value if possible, but otherwise automatically increase the ISO if the light gets weaker. It depends on the particular camera, but usually the camera tries to maintain a shutter speed of 1/60 or faster (it may depend on the focal length of the lens).

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