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3200 ASA setting when using AUTO mode

coolmom42

McEwen, US
4138 posts

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"RE: 3200 ASA setting when using AUTO mode"

coolmom42 Moderator Awarded for her enthusiastic support of the community and exemplifying the Nikonian mission “Share, Learn and Inspire” Nikonian since 30th Nov 2011
Fri 15-Jun-12 02:59 AM

>>If you are using flash, and have the ISO mode set to
>"auto ISO" every single time you use flash, it will
>set the ISO to 3200.
>
>Diane
>
>That is not entirely correct. The camera will only select
>your highest ISO if the meter reading without the flash would
>have called for that ISO. In other words, it only occurs in
>low light situations. To demonstrate, set your top AUTO-ISO
>to 3200 or 6400 and then go outside in bright daylight and
>take a flash picture, basically a fill-flash picture. Notice
>that the ISO for that shot is not 3200 or 6400, but rather
>closer to your preferred setting of 100 or 200.
>
>I haven't verified this since I rarely use the built-in flash,
>and if I do I turn off Auto-ISO, but I read an explanation
>that I believe stated that the camera reduces flash output
>rather than lowering the ISO. Personally, I don't like this
>firmware decision, but turning off AUTO-ISO or limiting the
>top setting is an easy workaround.
>
>jP

OK I've never tested this using the built-in flash outside, with moderately bright or bright light. You are quite likely right.

I assumed the OP was talking about using the flash indoors, with fairly low lighting.

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A topic tagged as having a question 3200 ASA setting when using AUTO mode [View all] , Dakota Kid , Thu 14-Jun-12 02:48 AM
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