This is a continuation in a series of posts on power consumption in the Sony a7RII. The more recent incarnation of the series starts here. Now that I know more about how the camera works, I thought I’d go back and look quantitativly at the camera current draw with the EVF and the LCD enabled…. [Read More]
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A book report — a look at the content
This is part of a series about my experiences in publishing a book. The series starts here. Here is a copy of the book in electronic form. Since so much of the book is setup with the image content spanning pages, I’m showing you double page spreads. I am quite surprised at how much the effect… [Read More]
Calculating hyperfocal distances using MTF50 ratios
This is a continuation of a report on new ways to look at depth of field. The series starts here: A new way to look at depth of field I’m going to leave the object-field approach for a bit, and continue on with refinements to the more traditional image plane methods, although I freely admit… [Read More]
Macro on-axis sharpness, focus shift, and LoCA — summary
This is a continuation of testing of the following macro lenses : Sony 90mm f/2.8 FE Macro Leica 100mm f/2.8 Apo Macro-Elmarit-R Zeiss 100mm f/2 Makro-Planar ZF Nikon 105mm f/2.8 Micro-Nikkor G VR The test starts here: Focus shift and LoCA in the Leica-R 100/2.8 Apo Macro I’m going to attempt to summarize the LoCA and… [Read More]
Sony a6300 — PRNU
This is part of a long series of posts about the Sony a6300. The series starts here. Pixel response non-uniformity, or PRNU, doesn’t get much notice these days. That’s because, with most modern cameras, it’s so low that it doesn’t affect normal photography. I didn’t expect the a6300 to be any different, but I looked… [Read More]
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