Jerry, My Rolleifix has pins that go into the pinholes. Bob ----- Original Message ----- From: Jerry Lehrer To: rollei_list@xxxxxxxxxxxxx Sent: Wednesday, January 25, 2006 10:38 PM Subject: [rollei_list] Re: Tripod mount for pre-grooved mounting ring Rev, The pin holes were for the early panoramic adapter. Jerry Kenneth Frazier wrote: On Jan 25, 2006, at 5:15 PM, Richard Knoppow wrote: The grooved base was introduced around 1953. New backs with this base were made available for earlier cameras How, then, were the non-grooved bases fitted to a tripod? The pin holes are present on the front of the camera body. What were they used for? Ken-----------------------------------The Rev. Kenneth FrazierConnecticut Conference, United Church of ChristCurrent Leica Photography (PAW):http://tinyurl.com/6sc2r Current Medium Format Photos:http://tinyurl.com/bjvfn ----------------------------------------------------------------------------No virus found in this incoming message. Checked by AVG Free Edition. Version: 7.1.375 / Virus Database: 267.14.23/240 - Release Date: 01/25/2006