D800 ISO 1600 and above

Started Dec 24, 2013 | Discussions thread
Marianne Oelund Veteran Member • Posts: 7,121
A few other cameras

coronawithlime wrote:


Sir, would you be able to comment on equivalent numbers as they regard, perhaps, the D3, D3s, D3x, or D700 cameras? Thanx.

D3/D700 have analog-only gain up to ISO 6400.  D3s and D4, up to ISO 12800.

The D3x is similar to the D800; at ISO 6400 the numerical scaling is 3.7x, which implies that the maximum analog gain equates to ISO 1730.  It's worth pointing out that the D3x would be considered essentially "ISO-less" from ISO 200 and up, since its read noise is constant in input-referred units (electrons).

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