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Canon EOS R6 mark II analysis for night/astro imaging

Started 2 months ago | Discussions thread
DanInSoCal Senior Member • Posts: 1,158
Re: Canon EOS R6 mark II analysis for night/astro imaging

Thanks for this, it's very interesting. Do you know any particular reason for the effects (both read noise and the "flattening" of the FFT at ISO 200?

Also, the ISO 100 results surprise me. I would expect the read noise to be more or less constant across the ISO ranges. I thought that read noise happened before the ISO gains were applied (so constant number of electrons, then multiplied at higher ISO's).

Regards,
Dan

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