This is part of a series of posts about the Nikon D5. The series starts here. There are some places in the read noise vs ISO curves for the D5 wither there are suspicious-looking kinks. From previous work, I know that Sony does spatial filtering at high ISOs on some of their a7x cameras, with… [Read More]

This is part of a series of posts about the Nikon D5. The series starts here. In the preceding post, I pushed images made as ISO 3200 and compared them to those made at higher in-camera ISOs with the same exposure, and found that increasing in-camera ISO helped. Now I’m going to repeat that test… [Read More]

This is part of a series of posts about the Nikon D5. The series starts here. OK, back to the bookcase, this time to look at the effects of pushing in post processing and in the camera at high ISOs. I made a series of images at 3200 with successively reduced exposures and pushed them… [Read More]

This is part of a series of posts about the Nikon D5. The series starts here. Let’s give the bookcase a little rest. I’ll get back to it with some high-ISO pictures, but first I want to talk about the D5’s  photographic dynamic range (PDR). We’ve already looked at the D5’s engineering dynamic range (EDR),… [Read More]

This is part of a series of posts about the Nikon D5. The series starts here. As I said in the preceding post,  it’s now looking like the D5 uses digital gain for some of its ISO settings. Specifically, it looks like ISO 125 and ISO 160 are implemented by in-camera pushes of the same… [Read More]