Want to Buy Compur shutter for early Schneider 240mm

[Peter Schrager]

if anyone has one of these lying around please contact me
the lens is early scheinder; not an S or App

 

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[Ian Grant]

You need to check the threads, initially the 240mm Symmar lenses were in Compound #2 shutters, then Compur #2 shutters, by 1970 they were in #3 shutters. I had one in a #2.

Ian

 

[Peter Schrager]

mine is in a compur shutter

 

[Ian Grant]

#2 or #3 ?

 

[jimgalli]

A serial number on your Schneider 240 might help get us into the correct era. Rimset Compur 2? Dialset Compur 2? Convertible Symmar? Older Dagor type or later Plasmat? Whenever I need a Compur 2, I end up buy an old Schneider 240 to get the shutter and the lens elements go into the wind. The shutter is rarer than the lens. And those Compur 2's Dialset with 44-5mm threads fit other more interesting Schneider lenses, like 150 Xenotar, Dagor type 300 G-Claron, etc. So the 240 convertibles become the "donor".

 

[Ian Grant]

It appears the change from the rimset Compur #2 shutter to the #3 may have been around 1968, and coincides with a change to a black front barrel,

Ian

 

[jimgalli]

Even after the change, the Pre-"S" plasmat's that then were set in #3 shutters all had adapter bushings. So you can buy a Compur 3 shuttered 240 / 420 Convertible Pre "S" Symmar and the lens threads are still the old 45mm but a bushing adapts to the new bigger #3 shutter thread. Compur obsoleted the #2 shutter before Schneider was finished with the #2 45mm size lenses so they all went into #3 with bushings.