I've just got myself what I think is a bargain off ebay. It's a Ricoh 500GX AND a Ricoh 500G (I paid far less than two others I was watching recently, and this is the original owner, comes with original receipt and is in mint condition) but there is one snag: the 500GX has a crack in the glass on the front of the top-plate. The seller, therefore, has thrown in a 500G that has a dismantled shutter but a decent front glass plate which could be used to replace the glass on the GX. Pic of camera, below, showing crack. Having never repaired a camera, would replacing the glass be a simple operation, or can I expect springs to fly out in every direction when taking it apart?