Blog Archives

FoCal 4.2 MR3 – Going Wireless!

FoCal 4.2 brings connection via camera built-in WiFi for selected cameras, analysis improvements, operation updates, security fixes, a few new looking screens and more! UPDATE: FoCal 4.2 MR3 is now available with improved WiFi connectivity and camera control reliability improvements for tests. MR2 was released in with some improvements to WiFi functionality, support for the …


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You NEED to tune your DSLR autofocus!

Image of FoCalCam-3000 with some light rays

I try my very best to avoid making statements that I can’t back up, so I’m going to do just that for the following one: “You are almost certainly not getting the sharpest shots from your DSLR – and it’s not your fault!” What if I then told you there’s an easy fix? Read on …


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Mirrorless AF Calibration – Part 6: The Evidence

A selection of charts shown on glass blocks against a brown background.

This is the culmination of a series of posts about how the whole autofocus system works and what issues might still lead to a requirement to calibrate lenses even though the autofocus measurements are now obtained from the same sensor as the image is captured from. I’ll link back to the previous posts at various …


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