Blog Archives

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 …


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Why you should AF Fine Tune Nikkor Lenses – Reikan FoCal

Why you should calibrate Nikon Nikkor lenses with Reikan FoCal

Since the introduction of the Nikon D3 way back in 2007, middle to high-end Nikon 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 to determine the best adjustment …


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Do I need to calibrate autofocus?

AF Microadjustment Values for ALL Canon cameras and lenses

We’re often asked whether there really is any point to calibrating your camera autofocus. Obviously we’re going to say a big, fat yes! otherwise FoCal wouldn’t exist, but I wanted to show a few charts to explain the sort of performance you’re likely to get “out the box”. When FoCal is used to calibrate or analyse a …


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Canon 5DS R Support Coming Soon

Canon 5DS / 5DS R Support Please subscribe to the RSS feed or bookmark the home page to see when support is Added. If you are on our mailing list then you will receive an email shortly after the new version is released. Many thanks for your patience. ——– For all customers lucky enough to …


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Why can’t the 5Dmk3,1D X and Nikon cameras be completely automated?

When FoCal was first launched, it supported the Canon EOS 5D Mark II and 7D and could run a complete calibration with absolutely no user interaction.  We added further Canon cameras, and then when we added support for Nikon cameras we hit a stumbling block which meant that the software couldn’t control one particular setting.  With …


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Nikon Firmware Bug ( doesn’t affect ANY automatic FoCal Testing)

During the development of FoCal 1.9, we’ve found a bug in the firmware of all Nikon cameras we’ve tested with which will affect the procedure used for running the FoCal Manual Mode test and other situations where the AF Fine Tune value in the image metadata is of importance. **PLEASE NOTE THIS DOES NOT AFFECT …


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New Online Camera/Lens Information Tool

We’ve just launched the first version of our Camera/Lens Information tool which takes our database of uploaded FoCal results and lets you easily visualise the combined results of various FoCal tests from thousands of FoCal users! You can find the tool on the front page of the website in the new Online Tools menu option, …


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