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Canon & Mark 2 problem (1 Viewer)

Mark Batten

Well-known member
Anybody have any ideas on this. 7d 2 with Grip. One battery Canon - the other third party. Using on a 500 f4 (Mark 1) with 1.4 Tele (Mark 3). intermittent fault of power failing and auto focus not working. Appears to work fine on other canon lens ie 17-40 and 100 Macro. No problems when using 1D X and 1D4 on same lens. Ta
 
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