There was a thread on DPR’s Medium Format board (full disclosure: I’m a moderator there) that started out the way a lot of threads there do. An MF-curious poster said that he was using FF gear and wondered what buying an MF camera would do for him. I asked what he didn’t like about his… [Read More]
More on Nikon Z7 EFCS exposure variation
In the previous post, I looked at how the electronic first-curtain shutter (EFCS) in the Nikon Z7 caused exposure differences from the top to the bottom of the frame. A reader pointed out that the optimum electronic first curtain timing depends on the lens exit pupil. I don’t have a lot of lenses that I… [Read More]
Nikon Z7 scan time and exposure variation in EFCS and MS
I’ve done a lot of work on the way that electronic first curtain shutter (EFCS) works on the Sony a7x cameras, but I never did much with the EFCS in the Nikon Z-series cameras, except to measure how well the did at reducing vibration and the associated image sharpness. The reason was that I somehow… [Read More]
Nikon D5 and Z7 sensitivity
Over on DPR, when I was talking about the noise tests on the D5 and Z7 that I posted the day before yesterday, I remarked that the camera sensitivities appeared to be different, referencing a study I did on the Z5, a7RIII, and D850 some time ago. In that post, I found the D5 to… [Read More]
Nikon D5 and Z7 shadow noise under extreme conditions, default noise reduction
In the previous post, I compared the Nikon Z7 and D5 noise under extremely low light conditions. I turned of noise reduction for that series. Now I’ll show you a set of images with LrC default noise reduction. If you look at Bill Claff’s photographic dynamic range numbers, the D5 does better than the Z7… [Read More]
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