On your camera, at what ISO does noise go from "not enough to care" to "noticeable"?

Started Jul 7, 2014 | Questions thread
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CreeDo Senior Member • Posts: 1,552
On your camera, at what ISO does noise go from "not enough to care" to "noticeable"?

I know, I know, "it depends". And I know most of us will try to minimize ISO.

But play along for a second... what's an amount of ISO that you're ALWAYS comfortable adding, because the noise is so minor you don't think there's any shot it would really hurt, even at 100%, even with large areas of black in the photo?

I'm curious how various cameras perform, is there some objective scientific (or not) testing someone has done to compare this? It seems like on some cameras, 6400 is about equivalent to 400 ISO on mine.

 CreeDo's gear list:CreeDo's gear list
Canon EOS 7D Mark II Canon EF-S 60mm f/2.8 Macro USM Canon EF 70-200mm f/2.8L IS II USM Rokinon 14mm f/2.8 IF ED MC Sigma 18-35mm F1.8 DC HSM Art +3 more
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