A short while ago, I reported on the shutter latency of the Sony a7III using the all-mechanical shutter. I repeated the tests today using the EFCS, and added the a7RIII and a9. The a7III latency is a lot less with the EFCS, since the camera doesn’t have to wind the shutter before it can get the… [Read More]
Arca-Swiss plate dimensions
Two days ago, I reviewed the SmallRig plate for the Sony a7III/a7RIII/a9 cameras. I found that the shoe that engages the tripod head clamp was wider than the Really Right Stuff (RRS) plates, making engagement with the cam-lock quick-release RRS clamps very tight. Today, I measured the dimensions of the bottom of a group of… [Read More]
Sony a7III, a9, a7RIII SmallRig camera plate
I just received a couple of the SmallRig Arca-Swiss plates for the latest generation of Sony alpha 7 and 9 cameras. They are quite a bit cheaper than the RRS plates and have some interesting features, so I decided to do a short report. With the RRS plate, you can order a version that has a… [Read More]
Mitakon Zhongyi Speedmaster 50mm f/0.95 OOF PSFs
I did a brief report on the Mitakon Zhongyi Speedmaster 50 mm f/0.95 lens a while back. I noted that the sensor in the camera I used, the Sony a7RII, couldn’t make use of all the light the lens gathered. In one of the DPR fora, a question arose as to whether or not that… [Read More]
Sony a7III PDAF striping – FAQs
Since this post about the Sony a7III PDAF striping, I haven’t written anything on this blog about the issue. That’s not because I haven’t been on the case. I’ve been working understanding what’s going on all this time. But, because the effect is so variable, hard to quantify, and varies with what seems like everything… [Read More]
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