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Mirrorless AF Calibration – Part 2: On-Sensor Phase Detect Autofocus

A number of sensels complete with masks and colour filters and light rays.

Overview Autofocus (AF) technology has revolutionised the world of photography, allowing photographers to capture sharp images quickly and consistently. One of the most popular and widely used autofocus technologies is Phase Detect Autofocus (PDAF). In this blog post, I’ll delve into the inner workings of PDAF so we have a solid foundation for understanding why …


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Mirrorless AF Calibration – Part 1: You SHOULD Calibrate your Mirrorless Autofocus!

Render of AF Fine-tune options on glass panels.

“Mirrorless cameras don’t need calibrating.” You hear that a lot, but is it true? At Reikan, we’ve been gathering autofocus calibration results for almost 10 years now from users of our FoCal software, which includes data from users of Nikon Z-series mirrorless cameras… and it suggests that you should calibrate your mirrorless camera.  I wanted …


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