I received the following question: What are some good tests to do when receiving a new camera body? I just want to make sure it’s a good copy before my return date expires. I’d not thought much about that. I do days of testing when I get a new camera, but that testing is related… [Read More]
Roles of camera and raw developer in determining color
In the middle of a long discussion of the differences between the color information in raw files from the Sony a7RIII and a7RIV and whether there was a possibility of a firmware change (I said not, the person with whom I was conversing said yes) there was this statement: i think when people like me… [Read More]
How many big prints?
I recently got into a discussion with a photographer who was saying that most people don’t make big prints anymore. Since I had just spent the day running an entire 50-foot roll of Legacy Baryta through my Epson 9800 making 24x30s for an upcoming exhibition — more on that in good time — I didn’t… [Read More]
Fundamental camera noise parameters
I’ve been posting shadow noise curves for a while. Here’s an example: There’s a lot to unpack, but for now, just concentrate on the following: The curves are normalized to standard sized prints; differences in camera resolution are normalized out Higher y-axis values are better — they mean less visible noise The further to the… [Read More]
Portrait lens selection
From the mailbag: I want to buy a lens in the future for portraits primarily for self portraits. Most people want portrait lenses to produce pleasant images instead of realistic ones. For this, with my facial features favor a longer focal length. But it got me wondering how far away we have to be away… [Read More]
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