When some folks who have been full frame camera users move to medium format cameras, they suffer from confusion about depth of field (DOF). When this confusion spreads to a group of people they become a circle of the confused (CotC). This post is intended to reduce the size of the CotC. Depth of field… [Read More]
Resolution and sharpness are often the short poles in the photographic tent
On Friday, I hung an exhibition. 35 prints, with sizes ranging from 8×20 to 40×40 inches. Kind of a retrospective, with images from Alone in a Crowd, This Green, Growing Land, Nighthawks, Staccato, Los Robles, some street images, and two others, including one from my newest series, Ft. Ord Graffiti. All of the… [Read More]
Diminishing returns in photography
In many fields of endeavor and enjoyment as you spend more and more money, you get a smaller and smaller perceptual improvement per dollar. You can buy a decent bottle of wine for 20 bucks. Picked carefully, you can serve it to knowledgeable friends and get few complaints. You could could spring for a 40-dollar… [Read More]
How modern camera shutters work
There seems to be some confusion on the issue of how modern camera shutters work. I’m going to try to clear some of that up in this post. Some caveats: There are variations among camera manufacturers that I’m going to gloss over. This applies to CMOS sensors that employ at least one analog to digital… [Read More]
The dubious search for GOATs
It’s always been the case that humans crave simplicity, even when it masks reality. Hence the tendency to construct, measure, and argue over scalar (one number) metrics, even though they almost always ignore nuance. Even better, in many people’s eyes, are scalar, binary metrics, such as picking winners and losers. These metrics are almost always… [Read More]
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