Built for precision and durability, the GPR121 features high-quality optical glass with a protective coating that resists dirt and condensation—so you get reliable reflectivity in any condition. With a 62mm copper-coated circular prism, 1.0mm centering accuracy, and 0mm Leica offset, it’s engineered for long-range, high-accuracy work. Housed in a rugged metal holder with a yellow and black target, this professional-grade prism is ready for the toughest jobs.

Includes: Target with single-tilt assembly.
Range: Up to 11,500 ft (3500 m).