 Posted: Sun Oct 04, 2009 1:37 am Post subject: Biotar Set Screw broken, need new, or way to recut slot |
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eggboy wrote:
I picked up a glorious non-functioning prewar HEAVY Exakta mount Zeiss 5.8cm/2 Biotar. Good glass, good cosmetics, but heavy fogged glass, and some diaphragm and grease problems.
This thing is built to a much higher level than any other lens I've rebuilt, and I've rebuilt a lot of pre and post war German glass: Xenons, Tessars, Primoplans etc.
So far, I've re-riveted and broken diaphram blade, degreased/cleaned everything, fixing a lot of previous 'repairs'.
But, there are 2 set screws with one side of their heads broken.
I need to either find replacements, or, using some kind of micro saw, re-slot the heads.
I've no idea where to get micro set screws, or even a tiny little saw or file to reslot the screws. Any ideas?
Eugene
_________________
Eugene
Current Fave Lenses:
Nikkor S.C 5cm/1.4 Rangefinder with Amadeo S>M Mount
Carl Zeiss Jena Sonnar 5cm/2 Contax RF c. 1937,
Nikkor-N 28/2 Nikon F mount
Digital Cameras:
Nikon Z 6II, Panasonic GX8
Film Cameras:
Ansco B2 6x9 Box Camera
Bronica S2
Nikon F2
List and a photo or two of my lens herd |
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