What ISO to keep on A mode?

Started 8 months ago | Questions thread
D Cox
Senior MemberPosts: 8,757
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Re: What ISO to keep on A mode?
In reply to Limburger, 8 months ago

Limburger wrote:

I would forget iso and set your camera's shutter and aperture as desired and then set iso for brightness you need.

Imho iso is the least to worry about.

I think it depends on sensor size and how bad the noise is at various ISO settings on the particular camera.

I generally shoot in A mode with manual lenses. For hand held work on APS-C, I set the ISO to 800 and adjust the aperture to give a good fast shutter speed. I find that 800 gives as much noise as I can tolerate. With a FF sensor, ISO 1600 would be fine.

But ISO 800 may be too high for smaller sensors.

For tripod or copy stand work, I set ISO 100 for all shots and adjust aperture for depth of field.

You really have to find your own preferred way of working.

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