I am sorry if this seems a bit off topic, but as a longtime 'Rosity member, I felt it appropriate to ask people here before I started looking elsewhere. I have recently acquired a Contax 137MD with a Yashica ML Zoom 80-200mm 1:4 lens. I wondered if anyone has a manual/servicing instructions/diagrams they could scan (or an already-digitized one) and send to me; or does anyone know where I could come by such a manual online for free. I paid rather handsomely for the camera, and just noticed it has some somewhat-severe-looking corrosion coming from one of the seams. (There appears to have been some battery leakage a while ago.) I'd rather not sink any more money (seems to be about $30-50US for reprints) into this camera if it's not fixable. I just need an exploded diagram or something to show how to get the body open; I can't seem to find all the screws.

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Diagrams for the lens would be appreciated also if anyone has them.