Wollensak-Dumont CRO Oscillo-Raptar 75mm f/1.9 Lens | D92624 | High-Speed CRT Op

Wollensak-Dumont CRO Oscillo-Raptar 75mm f/1.9 Lens – No. D92624 – Vintage CRT High-Speed Optic

This is a rare Wollensak-Dumont Oscillo-Raptar CRO lens, built for high-speed imaging of oscilloscope or cathode-ray tube displays.
Originally used in nuclear physics, electronics testing, and aerospace applications, these lenses captured precise visual data directly from CRTs or waveform displays.

Details:

Model: Oscillo-Raptar 1.0.9X

Serial Number: D92624

Focal Length: 75mm

Aperture: f/1.9

Format: 3" CRO (Cathode Ray Oscilloscope)

Mount: Custom barrel with electronic trigger input (wired)

Manufacturer: Wollensak-Dumont Corp., Rochester, NY, USA

Condition:

Glass in clean condition with no visible cracks or fungus

Mechanical barrel is intact; cosmetic wear from age

Wiring and connector untested

Sold as-is for collectible, research, or display use