I have followed various discussions (arguments ;-)) about what parts were changed for what model and which model is the best and why, which I find very interesting. From the detailed information I assume taht there are listers who have access to Rollei records of one sort or another and so I ask: Does anybody have copies of any working drawings/blueprints which would show the component dimensions and gear sizes for the Rolleimarin 1 geared coupling device (also focus knob coupling)? I have a copy of the repair manual but this is not really suitable. My RM1 came without a coupling device and I would like to complete the kit either by machining the components or in the unlikely event that someone has one in their oddments box, by acquisition. Thanks John Wild --- Rollei List - Post to rollei_list@xxxxxxxxxxxxx - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe' in the subject field OR by logging into www.freelists.org - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field OR by logging into www.freelists.org - Online, searchable archives are available at //www.freelists.org/archives/rollei_list