View Single Post
Old May 9, 2008, 6:39 AM   #21
TCav
Senior Member
 
TCav's Avatar
 
Join Date: Sep 2005
Location: Washington, DC, Metro Area, Maryland
Posts: 13,663
Default

The rectangular opening is not uncommon. My old Minolta 75-300 and 28-105 (contemporaries of your 100-300)had similar openings and worked fine on my KM5D.
Attached Images
 
TCav is offline   Reply With Quote