This is one in a series of posts on the Fujifilm GFX 100S. You should be able to find all the posts about that camera in the Category List on the right sidebar, below the Articles widget. There’s a drop-down menu there that you can use to get to all the posts in this series;… [Read More]
Fujifilm G lenses hotspotting at 720 nm
I keep being asked which Fuji G lenses hotspot and which don’t. I tested on a GFX 50R modified by LifePixel to respond to wavelengths longer than 720 nm. Here’s a table I made from the results: OK means no hotspotting, or very little. H means hotspotting that I consider to be unacceptable. I threw… [Read More]
Smallrig GFX 100S L-bracket
This is one in a series of posts on the Fujifilm GFX 100S. You should be able to find all the posts about that camera in the Category List on the right sidebar, below the Articles widget. There’s a drop-down menu there that you can use to get to all the posts in this series;… [Read More]
The degradation of detents
In 1979, I went to The Audible Difference, a hi-fi store then located on Lytton Avenue in Palo Alto. I walked in barehanded, and walked out with a Threshold SL-10 preamp. My wallet was $950 lighter, but my spirits were soaring. I thought it was a breakthrough design, and I loved the way it sounded…. [Read More]
Choosing CoC for precision photography in practice
I have written many posts about managing depth of field (DOF). I have related DOF to modulation transfer function, and developed a way to deal with it from that perspective. I have written a DOF optimizer program that balances the effects of geometrical DOF, diffraction, and capture pixel blur. I have explained how focus stacking… [Read More]
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