06-11-2013 01:35 PM
06-11-2013 01:45 PM
There's no reason why it wouldn't shoot in manual mode while it would in another such as Av. In fact, manual shouldn't have anything preventing it from shooting. Usually not being able to lock focus is what prevents shooting. Is it in a dark environment?
04/16/2024: New firmware updates are available.
RF100-300mm F2.8 L IS USM - Version 1.0.6
RF400mm F2.8 L IS USM - Version 1.0.6
RF600mm F4 L IS USM - Version 1.0.6
RF800mm F5.6 L IS USM - Version 1.0.4
RF1200mm F8 L IS USM - Version 1.0.4
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EOS 1DX Mark III - Version 1.9.0
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