Archived posting to the Leica Users Group, 1998/07/29

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Subject: RE: [Leica] FYI: uncommon(?) lens on eBa
From: jeremy.kime@bbc.co.uk
Date: Wed, 29 Jul 1998 8:54:00 +0000

Spectacular!

I was tempted by an ex-services camera a year or so back, it was a stereo   
aerial(?) camera which posessed two 38mm Biogons, as used in the Hass   
SWC, and the asking price was œ80! In the end I figured that they'd not   
be an easy job to adapt to something else so I left it, but these things   
intrigue me.
I faxed Reinhold with some questions re: these Elcans, I'm waiting on his   
reply. But I mentioned that I'd found 3 articles recently on adapting   
those old 7" f2.5 Aero Ektars for use on Leicas. They were published in   
1950/51 in Amateur Photographer over here, and while the forst and last   
articles dealt with the mechanics of getting them to fit, the second,   
more sensibly looked at the suitability of the lens for the 35mm format.
It concluded that the resolving power of the lens was insufficient to do   
justice to the rest of the Leica lenses one might use, ie. the lens was   
great for 5x4(?) or 2 1/4" format/s but below par for 35mm, but it didn't   
seem to stop an awful lot of people buying the ex war surplus and 'having   
a go'. In fact there's a nice example in my local dealer's, a lovely   
helical focusing mount put on it adapted for Viso 1 fit, of course from   
there its a doddle to put on the Viso3 (whicxh I have) or the SL. He paid   
much more for it than I would have done, he started asking œ150, has come   
down to œ100, but maybe I'll give him œ50 without the Leitz adapter   
that's on it at present...

all the best,
heck! I wish I could get to Cologne and meet you all!

Jem
 ----------
From:  'leica-users@mejac.palo-alto.ca.us'
Sent:  28 July 1998 20:32
To:  KIMEJ44; 'leica-users@mejac.palo-alto.ca.us'
Subject:  Re: [Leica] FYI: uncommon(?) lens on eBa

Jem, the 75/2 ELCAN sounds like it is out of a Vinten Aerial camera. This   
one
used perforated 70 mm film and worked like a slowspeed movie camera. It   
was
mainly used for surveillance flights. The mount is too big to remount on   
to a
Leicaflex as the rear element of the lens is almost "dusting off" the   
shutter
curtain. Impressive piece of glass and the whole camera/lens combo weighs   
in
at 24 lbs. I had one for a while and tried to figure out a way of   
adapting the
lens to a M-camera ( no mirror to get in the way) but it would have   
required
carving a much larger hole in the M-body than the current lens mount. The
whole lens/camera combo was bought in UK for 50 pounds.It is not a super   
rare
item as it is military surplus and they must have bought a lot of them in   
the
70's and 80's. Some of these cameras were used on Harriers during the   
Falkland
"incident".
 One could probably make a 75mm Hasselblad type camera of the lens, but   
as the
lens was supposed to work in the same fashion as a movie camera lens, the
optical quality is suspect. There is a very complex ELCAN made in the   
2.5"
range for these cameras that is supposed to be extremely good, but again,
large mount and filmplane to rear element distance is very short. It   
would
require a custombuilt housing to mount on a still camera. Or use it with   
the
Vinten housing, 24lbs + a 24 volt power supply, that should build up   
strength
in the upper body fast!
Tom A