Fujifilm just released firmware 3.0 for the GFX 50S. One of the new features is what Fuji calls Focus Bracketing. In my opinion, it is misnamed, as it is optimized for making exposures for stacking. However, I’ll use their terminology here. It works a lot like the Focus Shift Shooting feature in the Nikon D850…. [Read More]
Archives for 2018
Gone over to SSL
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]
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]
Fuji GFX 50S AF accuracy restated
This is a continuation of a series of posts on the Fuji GFX 50S. You should be able to find all the posts about that camera in the Category List on the right sidebar, below the Articles widget. There’s a drop-down menu there that you can use to get to all the posts in this series;… [Read More]
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