Archived posting to the Leica Users Group, 2009/01/27

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Subject: [Leica] Elmar 3.5/50 on Enlarger
From: marcsmall at comcast.net (Marc James Small)
Date: Tue Jan 27 12:26:30 2009
References: <200901271834.n0RIYl7Q084560@server1.waverley.reid.org> <4437E1CB-98B4-4E6C-AC0E-56DEE552D463@uvm.edu>
 
At 03:04 PM 1/27/2009, Jan Decher wrote:
 >How about using an older collapsible M-ELmar 3.5/50 as an enlarger
 >lens?  I got a Novoflex M-M39(LTM) adapter and cold use it on my
 >Omega B22XL.  Has anyone else tried to use the Elmar for enlarging?

Jan

Note that M39 is 39mm by 1mm DIN thread, while 
LTM is 39mm by 26 turns-per-inch Whitworth 
thread.  They are not interchangeable save with Force and Violence.

Enlargers use LTM threads as Leitz hawked the 
3.5/5cm Elmar as both a taking and as an 
enlarging lens, and this soon became the standard 
fitment.  There is no reason why an M Elmar 
shouldn't perform as decently as an enlarger lens as does the LTM version.

Marc


msmall@aya.yale.edu
Cha robh b?s fir gun ghr?s fir!
In reply to: Message from Jan.Decher at uvm.edu (Jan Decher) ([Leica] Elmar 3.5/50 on Enlarger)