Start of second ISO step on the Sony A7RV?

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AlephNull Veteran Member • Posts: 4,486
Start of second ISO step on the Sony A7RV?
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Several of the new Sony bodies have a dual gain design, with the first step being at ISO 100, and somewhere above that there is a second step - knowing where that is can be useful, because using the ISO immediately below it yields a image of slightly lower quality.

I believe the second step on the A7RIV is at ISO 320, while it's ISO 500 on the A1. There's another Sony with a higher second step (might be ISO 800?).

What I'd like to know if it's 320 on the A7RV (given it's the same sensor), or if that was tweaked?

Any information out yet?

 AlephNull's gear list:AlephNull's gear list
Sony a7R IV Sony a1 Sony a7R V Sony FE 85mm F1.4 GM Sony FE 85mm F1.8 +6 more
Sony a1
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