Over on dpr, there was a response to yesterday’s post that was interesting to me: Regarding your wine comparison, I would say that to be able to distinguish different top quality wines… requires training, experience, and talent. Same with lenses. Well, you made me think, and I have two responses. The first is that people… [Read More]
Lens character
This is a somewhat inconclusive set of musings about what photographers call lens character, or the way a lens draws. But before we get into that, I’d like to confess my biases. I’m an engineer by training, and I’ve spent most of my life either doing research, designing things, or managing others who do those… [Read More]
Two more from Death Valley
Two that are a bit more whimsical than yesterday’s: And here’ are a few from Monday morning, back home:
Death Valley Days
I went to Death Valley for the weekend. I took an IR-modified Sony a7, and an unmodified a7II, plus three lenses: the Coastal Optical 60mm f/4, the Nikon 28mm f/1.4 D, and the Zony 35mm f/2.8 FE. I ended up using the Nikon 28 on the IR camera almost all the time. I placed a… [Read More]
D810 live view heating effects at 30 second exposures
A few days ago, I posted some graphs that indicated that using live view on the D810 had no material effect on dark-field noise at 1/2000 second shutter speeds. Yesterday, I repeated the tests at 1/30 second and 1 second shutter speeds, with similar results. I’ve received a request to do more testing at really long shutter speeds…. [Read More]
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