From: Sam Wells (email suppressed)
Date: Wed Jul 21 2010 - 09:01:16 PDT
Both C mount but for wider lenses 10mm - 50mm, you should use lenses (mostly
Switar) marked "RX" because with the Bolex reflex prism the effective rear
focal distance is different. (longer, called "in air" distance).
The Switar RX lenses are also overcorrected for spherical aberration and
astigmatism which are implications of passing the image through the thick
prism.
-Sam
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