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Mirrorless AF Calibration – Part 3: On-Sensor Phase-Detect Issues

Posted on by Rich
Two microlenses and masks and colour filter arrays

In part 2, we covered the operation of the AF sensor, so now it’s time to take a look at some potential problems that could occur at the sensor which may affect the sharpness of our final images. This post will specifically look at issues relating to the phase-detection process occurring on the image sensor, …


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

Posted on by Rich
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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