As most of you know, Canon released a firmware update for the Canon EOS-1D X that enabled the highly sensitive auto-focus center-point to be used with apertures down to f/8. That was an important addition to the feature set of the EOS-1D X.
However, it turned out that some EOS-1D X models are not center-point focusing using f/8, despite the firmware. Apparently this happened to EOS-1D Xs that were sent in for service and returned with a firmware update.
It’s easy to find out if your EOS-1D X is affected. Check the serial number, if the sixth digit is a 4 or 5, then open the battery compartment and look out for a white dot in the position shown in the pic below. If the small white dot is there, your camera is not affected.
Image courtesy: Imaging Resource
If your camera is affected, simply download the latest firmware update (1.2.1, click here to download) and install it on your own. Btw, the EOS-1D X is still available at the incredible price of [shoplink 10159 ebay]$5,907.82 (click here) on eBay[/shoplink].
Canon EOS-1D X price check: [shopcountry 4119]
[via Imaging Resource]
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