Wollensak Oscillo-Raptar 75/1.9

American oscilloscope/projector lens marked 3” 1:0.85x fitted to Tektronix C12. Sometimes sold in shutter. Image circle: 70mm.

Dimensions	75 mm
Focal Length (mm)	75
Max Aperture (f)	1.9
Min Aperture (f)	1.9
Aperture Blades	Fixed/None
Rear Mount	None
Front Thread	N/A
Serial Numbers	E43674-E43864
Bokeh Character	Centrifugal distortion on 35mm. Strong bubble.

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