Earlier this month, Canon issued a product advisory on the Rebel T4i for an error in the firmware. Two days after the issuance of that advisory, Canon issued another product advisory for the Rebel T4i with regard to the presence of zinc bis in the rubber grip.
In short, this substance may cause the rubber grips to turn white and could potentially lead to skin allergies or irritation. The lot affected can be identified by looking at the serial number. If the sixth digit is “1″ then your camera could be affected.
Specific details in the full product advisory below. [click to continue…]
Nikon has issued firmware updates for the D4, D800 and D800E cameras to fix the lock-up issue, as well as other bug fixes. Officially, the firmware update resolves the following issues.
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Nikon has issued a statement regarding the lock up problems with the D4 and D800 and given a temp fix for avoiding the lock up issue.
Nikon has received reports of a small number of D4/D800 users who are experiencing ‘locking up’ issues, where the camera becomes unresponsive until the battery is removed and reinserted. Nikon is investigating a permanent solution to this issue and will update users accordingly. To immediately resolve this issue, users can turn off both the ‘Highlights’ and ‘RGB Histogram’ display options in the ‘Playback Display Options’ sub-menu found in the ‘Playback’ menu. Nikon apologizes for any inconvenience this may have caused users.
Have you encountered problems with your Nikon D4 or D800?
[via Nikon Rumors]