Trying to decide between DF and D610, IQ differences

Started Apr 10, 2014 | Discussions thread
Luke Kaven Veteran Member • Posts: 5,705
Re: Trying to decide between DF and D610, IQ differences

Jack Hogan wrote:

Luke Kaven wrote:

On my D800, if I shoot at ISO12800 at 1/80th, there is a bluish-magenta cast over the frame with local hotspots. You can't color balance this out. If I've been using live view, the effects are even more severe.

Everything below that is a matter of degree. At base ISO, it's negligible. I'd say up to ISO 1600 is pretty safe at handheld shutter speeds, and even a bit beyond.

Luke, what happens if you stop at ISO1600 (exposure at 1/80th as you would have it) and compensate for the lower brightness during conversion? Any ISO past 1600 is done digitally in-camera by the D800/D610 anyways, so unless you need a bright image SOC you might as well see if that gets rid of the cast.

Hi Jack,

As you say, since all gain past ISO 1600 is done with digital multiplication, there is no penalty for capping your ISO setting at 1600 and then determining later, perhaps much much later, whether or not you want to apply additional gain.  The only penalty would be that your image review would be somewhat difficult to read.  And so be it.  Sometimes I think the "underexposed" version of the image is pleasing anyway.

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