Blog Archives

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 …


Continue reading

Mirrorless AF Calibration – Part 5: The Autofocus Processor

Lens, sensor and AF Processor render

In previous posts, I’ve covered issues that might affect the AF Sensor and the Lens. The last part of the Autofocus System is the AF Processor – the brains behind the whole operation. When I talk about the AF Processor, I’m talking about a conceptual block of functionality – It may be a dedicated chip …


Continue reading

The new Nikon Z7 – investigating with Reikan FoCal

Unless you’ve been hiding under a rock, you’ll be aware of the release of Nikon’s first full-frame mirrorless cameras – the Nikon Z6 and Nikon Z7. Our Nikon Z7 arrived at FoCal HQ last Thursday in the form of the “24-70 + FTZ Kit”. The documentation isn’t available from Nikon yet to control the camera …


Continue reading

FoCal 2.6 – Adds Auto Focus Calibration Support for Nikon D850 and High Sierra Support With Nikon Cameras

Nikon D850 Focus Calibration Focal 2.6 Release

We’re delighted to announce FoCal 2.6 for Mac and Windows is ready for release! Nikon’s newest dSLR camera the D850 is now fully supported within FoCal. In addition we’ve made some handy improvements within FoCal, including to the lens comparison database generation. We’ve been busy working on full High Sierra support, it’s not a completely …


Continue reading

FoCal 2.5 – Adds Auto Focus Calibration Support for Canon EOS 6D Mark II and Nikon D7500

Reikan FoCal 2.5 - Canon 6D Mark II and Nikon D7500 support

We’re excited to announce FoCal 2.5 for Windows and Mac is ready for release! Canon’s newest dSLR camera the EOS 6D Mark II is now fully supported within FoCal along with the Nikon D7500 (Nikon D850 news below). In addition we’ve made some good improvements within FoCal, including a new Target Distance Tool, no need …


Continue reading

Why you should calibrate Canon EF Lenses with Reikan FoCal

Reikan FoCal - Why you should calibrate Canon EF Lenses

Since the introduction of the Canon EOS 1D Mark III way back in 2007, middle to high-end camera owners have been able to adjust the focus system of their camera to work better with each lens.   Reikan FoCal takes the guesswork out of this adjustment by automating the process and using advanced computer analysis …


Continue reading

Reikan FoCal for Mac Beta 2 now available!

We’re pleased to announce that Reikan FoCal for Mac Beta 2 has just been released for FoCal Pro users.  What is Reikan FoCal for Mac Beta 2? FoCal is a software package originally intended for fully automatic AF Microadjustment calibration, but has grown to include features like the ability to check autofocus consistency, finding the …


Continue reading

FoCal for Mac Development Update

A week ago, we released the first beta of FoCal fully automatic DSLR lens calibration software for Apple Mac computers, and we’ve had a lot of really good feedback so far.  The first beta wasn’t functionally complete – there were some important things missing, and this post is a progress update on how the software …


Continue reading