There are two pieces to bokeh. The first is what things look like when they are well out of focus (OOF), and the second is how the transition from OOF to in-focus happens. The second is complicated, but the first is very simple. What you see when part of the image is well OOF is… [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]
Hasselblad X2D shutter latency
In another context, the question of the shutter latency of the Hasselblad X2D in mechanical shutter mode came up. I have a way of accurately measuring shutter latency by triggering a camera and a scope at the same time using a remote release on the camera, and measuring the delay between that triggering and the… [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]
Hasselblad XCD 90V bokeh at high shutter speeds
In the previous two posts. I looked at the out of focus point spread functions for the XCD 90V lens on a Hasselblad X2D 100C camera. The shutter blades were visible. In this post, I’ll look at out of focus images with the lens set at f/2.5 and 1/4000 second. The subjects have both strong… [Read More]
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