It’s always been the case that humans crave simplicity, even when it masks reality. Hence the tendency to construct, measure, and argue over scalar (one number) metrics, even though they almost always ignore nuance. Even better, in many people’s eyes, are scalar, binary metrics, such as picking winners and losers. These metrics are almost always… [Read More]
New camera: marginal gain or material advantage?
There’s an interesting thread in the MF forum of DPR. A Youtuber says that these days, a new camera offers only marginal gains, not a material advantage. The basic argument is that we have passed the era of quantum leaps in performance, and that today’s cameras are so capable that you can do almost any… [Read More]
The Nikon Zf has both an AA filter and pixel shift
In the previous post, I said: …I’ll accept for the purposes of this discussion that no camera manufacturer uses pixel shift on cameras that have AA filters. I don’t know that that’s true, but I can’t think of any counterexamples. Erik Kaffehr found a counterexample, the Nikon Zf. In the spirit of scientific reproducibility, I… [Read More]
4-shot pixel shift and AA filters
This might turn out to be just one more hopeless “there’s something wrong on the Internet, and I must fix it” posts, but maybe it can rise above that. I’ll do my best. In a DPR forum, there is a thread about 4-shot pixel shifting. Under that protocol, which is available on Bayer color filter… [Read More]
Why are my developed files so big?
This is a pretty basic question, but I’ve been asked it a few times, and so I’m creating a post to which I can refer people. My raw file is x bytes, and when I develop it, it’s 3 times that big. How come? I’ll first answer the question assuming both files are uncompressed. Most… [Read More]
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