D800 and high ISO noise.

Started May 13, 2012 | Discussions thread
JordanAT
Forum MemberPosts: 68
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Re: D800 and high ISO noise.
In reply to Number 6, May 13, 2012

This makes no sense. The sensors on the D800 have 1.5 stops better performance or they don't. Crop make no difference.

This sounds like discussions I had with graphic designers in the 90s about pixel count. They would argue up an down about the size of their images (mostly on Macs) in inches, and that their (bitmap based) 8x10 would have more detail than their 4x5. I would argue that they were using the same number of pixels in the base image, to which they would make noises and quickly claim that the 8x10 would have double the resolution.

While the appearance of noise in a final image may be dependent on the size of the pixels, the ability to render accurate light readings at the pixel level are not. Poor light performance, super-sampled, should result in a less dynamic (loer contrast) image due to the "noise" spoiling the scenes actual contrast, though the noise would be less visible.

If the sensor itself - the individual photosites - are better at low light capture, the crop factor will not matter.

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