B Bill N Member Local time 8:46 AM Joined May 20, 2007 Messages 24 View My Gallery Jul 4, 2021 #1 Would someone please let me know what the "R" is on a Canon screw mount focus ring? 😕 Thanks!
M Mackinaw Think Different Local time 10:46 AM Joined Mar 13, 2005 Messages 4,716 Location One hour south of the Mackinaw Bridge View My Gallery Jul 4, 2021 #2 Infrared mark. Jim B.
B Bill N Member Local time 8:46 AM Joined May 20, 2007 Messages 24 View My Gallery Jul 4, 2021 #3 Thanks! No wonder I had no idea!
