Beseler Color Pro 50/2.8 [Kowa]

Enlarger lens made in Japan. Post-1985 version AKA Kowa/Computar 50/2.8 with addition of knurled (not embossed) aperture ring and longer mount thread. Beware high incidence of balsam separation.

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Category: Enlarger Lenses

Specifications
Reviews

Weight	141 g
Dimensions	50 mm
Focal Length (mm)	50
Max Aperture (f)	2.8
Min Aperture (f)	22
Aperture Blades	8 (Straight)
Elements	6 / 4
Sharp (Near)	87.5%
Flange-Focal Distance (mm @ ∞)	39.5
RF/L Extension (mm)	19.5
Rear Mount	M39
Production	1985-1988
Serial Numbers	50412, 55882