Rodenstock Ysaron 75/4.5 [V2]

Zebra Tessar enlarger lens. Lanthanum glass. [V2] has serial numbers, a scalloped six-blade diaphragm, a minimum aperture of f16, and a black (not illuminated) aperture window. AKA Rodenstock Omegaron 75/4.5.

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Weight	150 g
Dimensions	75 mm
Focal Length (mm)	75
Max Aperture (f)	4.5
Min Aperture (f)	16
Aperture Blades	6 (Scallop)
Elements	4 / 3
Rear Mount	M39
Production	1977
Serial Numbers	6173678