Optec-DSI 3.5x24tpi (male) thread adapter to PlaneWave SecureFit.
- Outside Diameter: 4.75" (120.7mm)
- Overall Height: 0.85" (21.6mm)
- Clear Aperture: 3.25" (82.6mm)
- Back-focus Usage: 0.16" (4.0mm)
Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.