When your EDM/Total Station calls for round retro prisms, specify durable CST retro prisms.
Aluminum holders are precisely machined and have electrostatic paint for a long-lasting finish. Each prism is encased in a light and rugged Lexan container. A red and white sighting pole is included with each assembly.
- -30mm offset
- 2-7/8" (73mm) prism diameter
- Prism accuracy to 2 arc seconds (input-output deviation), 1/2 to 1 fringe total wave front distortion (overall performance as measured on an interferometer)
- 5/8 x 11 thread size
- One year manufacturer's limited warranty