Thread: Pentax 42M screw mount lens to digital conversion
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Old December 31st 06, 08:10 PM posted to rec.photo.equipment.35mm,rec.photo.digital
m II
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Default Pentax 42M screw mount lens to digital conversion
This appears to be a nice way of getting aperture control on the old lenses

http://www.jr-worldwi.de/photo/index.html?lenses.html

this DOES require some mechanical ability and patience.


mike