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Ross Rosstar 90/4

Ivory white plastic body and black nose marked ‘9cm f/4.5 Ross London’. Apertures marked 1–16. Launched as an inexpensive alternative to Ross/Ensign Resolux enlarger lenses in 1957.

Category: Enlarger Lenses Tags: 90mm, enlarger, enlarging lens, ensign, f4, london, ross, rosstar

Specifications
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Dimensions	90 mm
Focal Length (mm)	90
Max Aperture (f)	4.0
Min Aperture (f)	16
Aperture Blades	6 (Curved)
Production	1957-1975
Serial Numbers	12863, 13285

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