Optec Inc. Optec-DSI 3.5 x 24tpi male thread to M54 x 0.75mm camera thread

Optec-DSI 3.5x24tpi male thread adapter to M54 x 0.75mm camera thread

• Outside Diameter: 3.82" (97.0mm)
• Overall Height: 0.62" (15.7mm)
• Clear Aperture: 1.97" (50.0mm)
• Back-focus Usage: 0.15" (3.8mm)

• Drawing