Have purchased a (supposedly) 67 on auction. On receiving camera (body & prism only) I find 67 marked on top plate as normal,but no MLU switch on LH side of mirror box (when viewed from lens mount position),my suspicion is that it is an early model 6x7 which has been given a 67 top.
Am I correct in 1) thinking a 67 should have a MLU switch.
and 2) A 67 has a polycarbonate mirror box and not a metal one. Please help if poss.
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Thanks for your reply,I have the battery but really wanted to know the correct procedure as to its replacement in the camera,I dont want to make a mistake and loose the memory settings.
Regards
David

Hi,
Can someone tell me if I can change the CR1220 memory battery in my Pentax 645 myself ?
div 1044