Bemecron-EL 75/4.5

AKA Osawa Tominon / Beseler ColorPro / Omicron EL / Hoya Super-EL / Yashica enlarger lens.

Weight	93 g
Dimensions	75 mm
Focal Length (mm)	75
Max Aperture (f)	4.5
Min Aperture (f)	22
Aperture Blades	8 (Straight)
Elements	6 / 4
Sharp (Far)	85.8%
Rear Mount	M39
Front Thread	40.5×0.5mm
Flange-Focal Distance (mm)	66
Extension (mm)	46
Production	1979-1990
Bokeh Character	No onion. Mild bubble. Good but some edgy doubling
Contrast	High
Colour	7.5
Focus Shift	Mild
Flare	8
Stars	8

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