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Author Message   Delvischeng Tinkerer Username: Delvischeng Post Number: 2 Registered: 04-2009 Rating: N/A Votes: 0 Posted on Wednesday, May 20, 2009 - 02:16 am:    My Pentax K1000 has the problem below: If the shutter speed selected to 1/60 sec and slower,when I trigger the shutter, the reflective mirror will flip and stuck. I need to de-cock and trigger again, probably the mirror will come down. If the shutter speed selected to higher speed, the refective mirror will flip and come down. What is the possible cause of the problem and how to fix it. Thanks.