Archived posting to the Leica Users Group, 1999/05/13

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Subject: Re: [Leica] BOOWU-M copy stand
From: apbc <apbc@public1.sta.net.cn>
Date: Thu, 13 May 99 20:56:53 -0000

Alex wrote,
>What intrigues me further is that you would have thought the M version of
this device would accept modern rigid M lenses without a problem.


Well yes but it doesn't because they made it so it accepts the inner 
barrel of the lens not the bayonet. The inner barrel of the earlier 
collapsible 50s is what attaches to the BOOWU-M. The early 50s have inner 
barrels that unscrew from the focussing mount and attach to the BOOWU 
with an adapter that presumably looks like the inner bayonet thing on the 
collapsibles. The later 50s will also in most cases have optical units 
that unscrew from the focussing mount but they are not supposed to - or 
rather you the careful owner are not supposed to dismantle them thus. All 
this I know from bitter experience!

Bests

Adrian

Adrian Bradshaw
Editorial and Corporate Photography
Shanghai, China