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Author Message   Thol Tinkerer Username: Thol Post Number: 11 Registered: 08-2006 Rating: N/A Votes: 0 Posted on Friday, March 16, 2012 - 09:50 pm:    This is a cross post — I put it on the repair forum, but perhaps it more properly belongs here. This post is about what may prove to be a novel way that I found to clean a mirror in an SLR camera: Recently I was trying to get a Fujica ST-701 to work properly around the speed dial and glanced at the mirror. It was very filthy, despite the camera looking otherwise pretty fresh. The camera has suspect timing so I thought, "What to lose?" Here is what I did — I took a piece of Blu-Tac and warmed it up so as to be pliable. Then I set the material as a 3-4 mm layer covering half of the mirror. I gently tamped it with the blunt end of some tweezers. Then I lifted the Blu-Tac and remolded it to a fresh contact area and put it on the remaining part of the lens. I worked about to remove some residue all the while estimating what might be diminishing returns for my efforts. The result: from a really filthy mess to a very respectably clean mirror — no visible scars, scratches or residue. The mirror returns to the bumper as smoothly as before. The viewing screen is nice and bright. Now if I can only find out why this camera will not stay the shutter open on Bulb. The usual warning — do it at yer own risk, and YMMV. I for one am really glad I discovered this. However, I doubt I am the first!