My new 7III is refusing to take a Sony Sandisk 64 gig card in slot one. It does take it in slot 2. Is this a design problem or a specific problem with my camera? The card can be forematted in slot 2 and in my A6500 but not in slot one of the 7III.I have not istalled Version 2. Could that be the proble? I would like to have 2 64s installed but right now its a 32 in slot one, 64 in slot 2.
If the camera should do something, but it doesn't then it is a camera problem, and hopefully, it's still under warranty.
Of course, you can always try a different card.
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