Rodenstock Ysaron 75mm f4.5

Rodenstock Ysaron 50mm f2.5 V3 (late model)

Rodenstock Ysaron 50/3.5 [V4]

Single-coated Tessar enlarger lens. One Lanthanum element. [V4] (from 1970) has a (white) illuminated aperture window with a long indicator mark, and a curved five-blade aperture. Some late models also have a filter thread. Engravings on rear differ (‘MADE GERMANY’ or, later, tending toward ‘Lens Made in Germany’). AKA Rodenstock Omegaron 50/3.5. [Cat.08.050.01].

Category: Enlarger Lenses Tags: 1970s, 3.5, 50, 50mm, close-up, enlarger, enlarging, f/3.5, f3.5, lens, lenses, macro, optic, rodenstock, rogonar, tessar, vintage, ysaron, zebra

Specifications
Reviews

Dimensions	50 mm
Focal Length (mm)	50
Max Aperture (f)	3.5
Min Aperture (f)	16
Aperture Blades	5 (Curved)
Elements	4 / 3
Rear Mount	M39
Serial Numbers	7302066, 7721692
Production	c.1970-1977

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