I’ve already established that electronic first curtain shutter can provide sharper tripod-mounted images with the Sony a7 than with the all-mechanical shutter mode on that camera and the all-mechanical shutter on the a7R. I wondered if using the a7S in all-electronic shutter mode — aka silent shutter — would provide any benefits. I took the… [Read More]
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How fast is the Sony a7S silent shutter?
The a7S has a silent shutter mode. When running silent, the mechanical shutter is on vacation, lying back and catching Z’s while the sensor does all the work. The mechanical shutter is a rabbit, completing an exposure in 1/250 second (for shutter speeds faster than that, a slit moves across the sensor, but it takes… [Read More]
Sony a7 shutter shock testing with the ISO 12233 target
In the last post, I went through the reasoning that made me decide that the Betterlight scanning back isn’t the right tool for the firehouse project. Thinking about a scanning back got me onto another way to get really high resolution: stitching. I figure for macro work, I’m not restricted to the usual “swing the… [Read More]
More testing of the Sony a7R with the ISO 12233 target
This is a continuation of applying the new shutter shock testing regimen first proposed and used in the last post this time to the Sony a7R and another 135mm lens. The reason there was no post yesterday was that I made some error – I’m still not sure what – that made some of the… [Read More]
Taming the Sony a7R shutter
The is a guest post by Huntington Witherill, a prolific, versatile photographer who has mastered both the technical and artistic parts of the pursuit. He’s also a great lecturer, teacher, and friend. You can see his work here. He’s been working on the a7R shutter slap for a couple of weeks now, and he’s come… [Read More]