The Sony a9 just arrived, after a 1-day UPS delay for which B&H says they’ll make me whole. The battery is charging now, and I’ll be testing soon. I’m going to use this page to point to the individual tests. I’ll be writing brief descriptions of some, and they’ll all be available if you scroll down… [Read More]
Photography & technique
When the Sony a9 arrives — soon, I hope — I will jump off into another weeks-long, geeky, mathematical analysis. Hey, that’s what I do, right? But I try to put that kind of thing in perspective for myself, and occasionally for you, dear readers. Here’s what I wrote on someone else’s blog a few… [Read More]
Leica WATE & 18 mm SE on Fujifilm GFX 50S
This is the 59th in a series of posts on the Fujifilm GFX-50S. The series starts here. In the last post, I showed the results of some informal testing with the Leica 16-18-21 mm f/4 Tri-Elmar-M ASPH on the Fuji GFX. Now I’ll show you how that lens does at 18 mm. For comparison, I’ll… [Read More]
Leica WATE on Fujifilm GFX 50S @ 16 & 21 mm
This is the 58th in a series of posts on the Fujifilm GFX-50S. The series starts here. A reader asked me to test a couple of Leica M-mount wide lenses on the GFX. I didn’t have very high hopes, which is why I haven’t tried them up to now, but I decided to start with… [Read More]
OOF PSFs with the Lomography 58/1.9 Petzval lens
This is the eighth in a series of posts that started out to be about building a bokeh simulator, and is now morphing into a broader discussion of bokeh. This series starts here. Earlier, I posted 35 out of focus (OOF) point spread functions (PSFs) for the Sony 135 mm f/2.8 STF lens mapped onto a… [Read More]
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