Rodenstock Ysaron 105/4.5 [V3]

Tessar enlarger lens. Lanthanum glass. [Cat 08.105.01]. ‘Rodenstock-Ysaron’ 105/4.5 large format taking lenses with circular 10-blade diaphragms date to at least 1957.

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Dimensions	105 mm
Focal Length (mm)	105
Max Aperture (f)	4.5
Min Aperture (f)	22
Aperture Blades	5 (Curved)
Elements	4 / 3
Rear Mount	M39
Front Thread	M35.5 x 0.5
Production	1972
Serial Numbers	7283814