High Precision Prism: High accuracy 3 arcsec beam deviation, Corner Cube Prism 1, Effective diameter:? 25.4mm/1. Magnetic Spherical Steel Prism Holder. With a diameter of 38.1mm/1.5 inches, the prism holder features a 440C stainless – steel sphere. Its surface is hardened, and it boasts a roundness error of only 0.002mm. Package includes: Prism, Non-removable Black Prism Ring, Magnetic Base, Centering Pin, break – resistant for enhanced durability. Offset:+17.5mm for Leica When setting the center of the sphere above the surveying point (usually with holders) Offset: +2.2mm, When setting the end of the sphere above the surveying point. Precisely Colibrated with Laser Tracker. Metal Magnetic Drift Nest for 1.5 Spheres (Double Sided Magnets).
