etude-t3-80

etude_t3b

Etude T-3 80/2.8

Russian 35mm slide projector Petzval lens fitted to Etude series. All lenses serialled. Scheme unknown.

Category: Slide Projector Lenses

Dimensions	80 mm
Focal Length (mm)	80
Elements	2
Max Aperture (f)	2.8
Aperture Type	Fixed
Production	c.1972
Serial Numbers	231390, 638709

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