Archives for 2017

This is the 15th in a series of posts on the Sony a9. The series starts here. Unlike the Sony a7x cameras, the a9 has no built-in sweep panorama mode. Good riddance, say I.  Not because I don’t like sweep panos. I like them a lot. But because the Sony process-the-pano-in-the camera scheme produced low-res… [Read More]

This is the 14th in a series of posts on the Sony a9. The series starts here. In this post, I reported on the details of the Sony a9 electronic shutter (ES) read operations, and found that the columns were read in groups of 12, both in single shot and continuous modes. Today I’d like… [Read More]

This is the 13th in a series of posts on the Sony a9. The series starts here. I present today a guest post from a expert (and he is one, despite his protestations below) who has helped me solve camera puzzles over the years. Take it away, Horshack. Jim Kasson and Bill Claff have been… [Read More]

This is the 12th in a series of posts on the Sony a9. The series starts here. In this post, I looked at the speed of the Sony a9’s electronic shutter. my main tool was an analog oscilloscope (my trick won’t work with a digital one). I photographed the trace as it was moved in… [Read More]

This is the 11th in a series of posts on the Sony a9. The series starts here. Warning: this is a yet another techie post about esoteric aspects of camera sensor analysis and modeling. There is not much to learn here that applies to general photography. If you aren’t interested in these things for their own sake,… [Read More]