Archived posting to the Leica Users Group, 2000/01/19

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Subject: [Leica] M4 Reliability
From: Marc James Small <msmall@roanoke.infi.net>
Date: Wed, 19 Jan 2000 14:01:28 -0500

I have never suggested that the M4 is a "bad" camera.  I am merely stating
that a change in market realities has rendered the M6 a better camera in
today's world.

 In the 1950's and 1960's, Leitz strongly urged its customers to have their
cameras given a yearly CLA:  the camera stores liked this as Leitz provided
low-cost training for their repairmen, and as it brought the Leica owners
into their stores at least once a year, even if they regularly bought their
film elsewhere.   As a result of these yearly CLA's, Leitz made cameras
with a lot of adjustable parts, as they knew the cameras would be in-shop
periodically to be restored to factory specification.  The M3 and M2 had
quite a few adjustable parts, and the M4 even more.  All three functioned
magnificently as long as they were given those annual services.  The M4's
plethora of adjustable parts made great sense in that environment.

By the 1970's, the number of camera stores employing repairmen fell
catastrophically, and many Leica owners no longer had close access to a
store which could provide a CLA.  Hence, when the redesign was made which
resulted in the M4-2, a lot of these "adjustable" parts were made
"go/no-go".  The M4-2 and later Leica rangefinders are, thus, far more
rugged -- as parts are not constantly falling out of adjustment -- but
repairs, when they do occur, are more expensive as, often, an entire
component has to be replaced, rather than simply adjusted.  In other words,
the change was a change of industrial reality reflecting a change in market
conditions.  

Similiarly, the change from vulcanite to PVC was one which has caused many
folks to lament the loss of the "vulcanite feel" -- but vulcanite is
generally starting to dry out after 10 years and rarely lasts 30 years
without chipping or breaking, where PVC will last a century, or so the
hardware-store and building-inspector types swear.

It all makes sense:  Leitz/Leica have stayed alive by adapting their
product to the changing conditions of the modern market.

Marc

msmall@roanoke.infi.net  FAX:  +540/343-7315
Cha robh bas fir gun ghras fir!