In order to provide better security, I’ve switched both my blogs over to secure sockets layer encryption. That means, that if you type http://{either site name}, your request will automagically be redirected to https://{either site name}. You will see a reassuring icon in your browser’s URL bar. In Firefox, it’s a green padlock. and in… [Read More]
Archives for March 2018
PDAF striping on the Sony a7RIII
I’ve been working on improving my toolset for analyzing the PDAF-pixel-induced banding that we’re seeing on some of the a7III demo shots, and that — through some pretty extreme measures — I got to occur on the a9. I wrote some Matlab code to find and measure the intensity of the artifacts. Then I set… [Read More]
PDAF striping on the Sony a9
Inspired by all the discussion of a7III PDAF striping, I took a look at the a9 this morning. Godox Flashpoint XPLOR 600PRO TTL aimed at the camera a9 with Batis 135/2.8, wide open Mechanical shutter at 1/125 Godox R2 Pro trigger Flash set to 1/128 power, which is as low as it goes. ISO 100… [Read More]