Archived posting to the Leica Users Group, 1998/05/13

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Subject: [Leica] Re: CL suitable lenses
From: LRZeitlin <LRZeitlin@aol.com>
Date: Wed, 13 May 1998 10:55:01 EDT

Just about any M series Leica lens will work on the CL in some fashion. My
owner's manual suggests that the following lenses are useable:
Summaron 35mm f2.8 (also f3.5) - use full viewfinder frame,
Summicron 35mm f2.0 - use full viewfinder frame,
Summilux 35mm f1.4 - use full viewfinder frame,
Summicron 50mm f2.0
Summilux 50mm f1.4
Noctilux 50mm f1.2
Tele-Elmarit 90mm f2.8
Elmarit 90mm f2.8
also
any Leica screw mount lens with adapter.

The manual suggests that collapsible lenses be prevented from collapsing the
full distance by putting a band of Dymo tape around the barrel to prevent
damaging the swing meter cell. Some of these recommendations are unduly
conseervative. I've found that the 50mm collapsible f2 Summicron and even the
90mm collapsible f4 Elmar can be used without the tape and still allow
clearance for the meter.

If you can find the Summicron 40mm f2 lens or the Minolta Rokkor equivalent,
do so. They are ideally matched to the CL body. A 50mm collapsible Summicron
is a feasible alternative.  The 90mm Leica lens for the CL is excellent but
harder to find. A very good alternative to the Leica 90 mm CL lens is the
Canon 100mm f3.5 screw mount lens fitted with a 90mm screw to bayonet adapter.
This lens is a little jewel, exceptionally sharp and easy to handle, and about
a quarter the price of the Leica lens. The CL viewfinder frames are a little
on the small side so that the 90 mm frame really covers the field of a 100mm
lens. It covers the field of the Canon lens exactly. Another good low cost
lens, also requiring an adapter, is the 35mm f2.8 Canon Serenar. Any shorter
focal length lens will also work but an accessory finder must be used. Lenses
longer than 100 mm will not focus accurately enought with the short base CL
rangefinder.

I use the CL with 40 and 100mm  lenses as a lightweight travelling kit. They
cover 90% of the subjects encountered with Leica quality. In the 25 years I
have owned this system, I have never had a mechanical failure. One design
flaw, however. If the battery fails in the middle of a roll, there is no way
to replace it without taking off the back, requiring either a film rewind or
going batteryless to the end of the roll. The CL with a 50mm f1.2 lens and ASA
800 or 1600 film makes a super wedding or available light camera, small quiet,
with match needle metering and capable of taking pictures in almost coal
cellar darkness. It doesn't attract the attention that a fully decked out M
series Leica would. 
Good luck with your "new" camera.  - LarryZ