I received my GFX 100S today, and started testing. It bears a lot of similarity to the GFX 100, since it has the same sensor, but there are significant differences, so I’m creating a new category for it. If you look at the right hand column of this page, scroll down to the Categories section,… [Read More]
Adobe Super Resolution
Adobe has introduced a new feature in Camera Raw 13.2. They call it Super Resolution. I’ll call it SR here. SR is a demosaicing technique that produces an output image with twice the number of pixels as the raw file in both dimensions. That means the file as four times the number of pixels of… [Read More]
GFX Natural Live View and raw file histograms
I received a request investigate whether the histogram in the GFX cameras when the display mode is set to “Natural Live View” faithfully represented the raw histogram. Spoiler alert. It does not, at least in all circumstances. I’d never paid any attention to that mode before. I looked it up in the GFX 100S searchable… [Read More]
Diffraction and sensors
A couple of days ago, a poster on the DPR MF board made a remarkable claim in response to speculation about a 100 MP X-series Hasselblad. One word, diffraction. The X1DII and X1D doesn’t have, none or perhaps very little that I’ve noticed anyway. As you might expect, I challenged that assertion: Lenses suffer from… [Read More]
Math in photography
I received an interesting message today: I am at the moment studying math and chemistry (to become a teacher) and am about to start with my diploma/master thesis. I thought writing about a mathematical aspect in photography , and since you are one of the best educated people I know in that area, I wanted… [Read More]
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