T-SM20RR - M20.5 x 0.5 Retaining Ring for Ø20 mm Lens Mounts product-series_firecat-otdr weather-proof and color display: Expands

weather-proof and color display: Expands with your network and service test requirements

It features an easy-to-construct optical path and sample positioning stage

interchangeable adapter heads

The USB communication port uploads the saved test results to your PC

T-SM20RR - M20.5 x 0.5 Retaining Ring for Ø20 mm Lens Mounts product-series_firecat-otdr weather-proof and color display: ExpandsT SM20RR M20. 5 x 0. 5 Retaining Ring for 20 mm Lens Mounts Product Drawing Standard Retaining Rings for Optics Ranging from 13 mm to 1" Retaining Rings with RMS (0. 800" 36) and C Mount (1. 00" 32) Threads Available Thread M20. 5 x 0. 5 Thickness 0. 08" (2. 0 mm) Compatible Spanner Wrench T SPW801 Clear Aperture 0. 68"(17. 3 mm) M20. 5 x 0. 5 Threading Internal Thread External Thread Min Major Diameter 20. 500 mm Max Major Diameter 20. 479 mm Min