Archived posting to the Leica Users Group, 1999/06/17

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Subject: Re: [Leica] Mirror Lock UP
From: Doug Herr <Telyt@compuserve.com>
Date: Thu, 17 Jun 1999 21:13:30 -0400

Bud Cook wrote:

>>>
I suspect few posters have much experience with Leicaflexes and their crank
arm mechanism for controlling mirrors.  Personally, I always found that the
SL and SL/2 allowed much lower shutter speeds than the various Nikon F's
that I owned.

I also found that hand held Leicaflexes can do as well as M's because of
their added bulk.
<<<

Hmm.. I don't think I ever used the MLU on the Leicaflex I had... but on
the SL's the usable slow shutter speeds are slower than on the N**** F I
had previously.  The mass of the body (and the early R lenses) had
something to do with it, but the SL has always impressed me as a very
smooth camera.  Another factor is the aperture mechanism.  The forces
required to stop the aperture blades is imparted by the lens assembly in
the case of the N**** lens, which can shake the glass stuff relative to the
camera, where on the R lenses the same force is supplied by the lens barrel
which is more directly connected to the camera body (usually much more
mass) than to the lens assembly.

IMHO, a 35mm camera is a hand-held camera for which MLU is pointless (easy
Jim, no flames please) but if you're going to use it on a tripod, use the
MLU wherever possible!!

Doug Herr
Sacramento
http://ourworld.compuserve.com/homepages/telyt