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If there is no exposure at 1/1000 the curtain tension adj. is off. The adj. screws under bottom cover Rick mentioned are where you need to go. The one to the rear of camera is first curtain Adjust that a turn or two and check again. The curtain tension should be such that at the end of the travel there is a slight pull a the second curtain--not strong--it should be sufficient that it will trip the mirror release lever so the mirror will reset. When it appears to be about right work with the first curtain to achieve even exposure across the frame. Lacking a tester, a good way to do this is to view the shutter action with no lens on the camera and look thru the back while tripping--at a fluorescent light--at 1/1000 you should maybe three vertical bands--slightly darker the the rest of the opening--this is kind of hard to explain, but try it you'll see what I mean. The escapement under the topo cover is good only for speeds below 1/60. |