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Sep 24, 2015 · In the mid '70's, Olympus offered an "MD Conversion" repair for the older non-md OM-1 bodies. This was labor/parts intensive. It involved drilling the main body casting in 2 places, replacing the slow speed governor, the shutter speed control cams, md switch and the bottom cover.. Welcome to JA! The Olympus OM-1 MD was produced from 1973-1979. It was a Professional grade camera. TO ANSWER YOUR QUESTION: YOUR CAMERA DOES HAVE VALUE TO A COLLECTOR....see below Here is a bit of history about the OM and OM-1 series taken from Wikipedia:. The Olympus OM System was a line of 35mm single-lens reflex cameras, lenses and accessories sold by Olympus between 1972 and 2002 (some.