This was only a problem on the 1's, and it is easy to fix. Olympus realized there was no need to "seal" around the eyepiece and eliminated the foam. My OM-2n was the first of much (far too much) OM gear, bought slightly used in the mid '80's. It has never been serviced and works like a champ.
Originally Posted by mgb74
One day, God wanted a camera. So he made the OM's.