optikotechna-benar-100a

Optikotechnà Přerov Benar 100/4.5

Silver lens with black nose made prior to 1946 by (what would become) Meopta for Laborant enlargers. Marked ‘f=10cm’. Asymmetric design, uncemented construction.

Category: Enlarger Lenses

Specifications
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Dimensions	100 mm
Focal Length (mm)	100
Max Aperture (f)	4.5
Min Aperture (f)	18
Aperture Blades	12 (Circular)
Elements	4
Serial Numbers	12159
Production	1938-1946

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