Archived posting to the Leica Users Group, 1997/03/23
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I think lens barrels were adjusted for individual lens heads to focus
properly. (I know that 135 Hectors have the lens serial # inside the barrel
in order to keep them matched) I think that it is possible to have the
focus mechanism readjusted, but I don't know how practical this would be
given that 90 Elmars are quite inexpensive.
kw
>The Elmar 90 f4 was made in both screw mount and M versions. I have an
>Elmar M made about 1960 or so and wonder if it is identical mechanically to
>the screw mount versions. If it is, could I then unscrew the lens from the
>barrel and mount it in a barrel designed for a scew mount camera? Would it
>focus properly on a IIIF?
>
>If the answer to both questions is yes, I could then look for a screw mount
>Elmar with bad glass and a decent barrel and then use the same "lens" on
>both my M3 and IIIF, saving myself some money and taking advantage of that
>fact that the lens I have is in relatively good shape.
>
>This sounds hair-brained and I suspect there are eighteen reasons why it
>cannot be done. Anyone know what they are??
>
>Steve
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Ken Wilcox Carolyn's Personal Touch Portraits
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