Archived posting to the Leica Users Group, 2000/08/04
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Speaking for myself, I can assure you that Bob Schwalberg was infinitely more
knowledgeable. That is why I find his approach intriguing. Remember, this
discussion is in the context of the larger inquiry as to whether collapsible
lenses are worth using.
Unless the time in question was prior to the wide availability of rigid
lenses in the 50mm range, it would appear that at least one world-class
Leicaphile preferred the collapsible, even to the extent that he would use
one locked in the extended position rather than opt for the rigid mount. In
theory and possibly in practice, it would appear that a rigid Summicron has
greater structurall integrity than a collapsible, even one maintained in the
extended position.
All this leads to the conclusion that Mr. Schwalberg must have thought
highly of the collapsible. Are you listening, Matt, or am I going through
all this for nothing? By the way, I can give you a great deal on a Summitar
with only a small amount of end play...
Joe Sobel