The Raptar uses Series filters. I do not know about the Tominon.
Series filter system has several slip on adapters that the filter goes into. Measure the outside diameter of the front lens barrel then use the info in this thread, www.graflex.org/helpboard/viewtopic.php?t=3324 , to find which size and adapter you need. See the post by pv17vv near the end of the thread.
The 105/4.5 Tominon in Polaroid Copal Press #1 was mostly sold for Polaroid's CU-5 Gel Cam. It is supposed to be designed for closeup photography. If so, it won't be that good at distance.
Originally Posted by Robert Ley
I've never had one so can't say anything about it. Should easily cover 2x3 at distance, though.
Re having to set press shutters to B or T to focus, this depends on the shutter. Some Copal #0 and #1 press shutters have open shutter levers, some Prontor Press #1s have cable release sockets for open shutter.
I have a 101mm Optar on my Horseman VH. The lens takes a push-on series VI adapter which has a filter thread of 44 mm; I then use a 44-49 step-up ring so I can standardise on 49 mm filters.
Any idea where I might be able to pickup one of these adapters? Or a series adapter to standard filter size adapter. I had a Kodak 135mm Wide field Ektar and it had a series VII front thread. I found a series VII to 49mm adapter that worked very well.
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these adapters are usually easy to find on eBay. just make sure you get the right one.
Yes, a slip on adapter is needed. Your cable release problem is related to the depth to which the plunger will reach. It sounds like your is very short, as a standard one should work OK.
the cable release problem is due to the shutter being dirty. the plunger of the cable release is going over the formed edge of the cable release lever or the formed edge is bent back.
this shutter will self destruct if not serviced. i have fixed one or two that were run until they stopped. repair shops would have returned them as unrepairable. i charge extra $$$$ to fix such abused shutters.