The A and M Refconverters will fit on the earlier cameras, but are a bit loose - slight lateral movement. They stay on fine but you have to make sure they're upright.
The older refconverters won’t fit the M and later cameras as the viewfinder mount is slightly larger. Nick -----Original Message----- From: "Fred"<[EMAIL PROTECTED]> > For the old angle finder for Pentax K or earlier bodies, you need to file > it to fit, if you don't mind. I'm not clear on what it meant by that. Just what would you file? (The mount end of a K or older Refconverter would be decidedly sloppy when slipped onto the finder window of an M or newer body, wouldn't it? It seems to me that you'd want to shim it somehow, nor file it. (I apologize, Alan, if I am totally missing the gist of the statement.) Fred