• 11,500ft (3,500m) Range
• 62mm Diameter
• Centering Accuracy of 1.0mm
• Copper Coated
• Single-Tilt Assembly
• Constant of 0mm

These prisms are manufactured from high-quality optical glass which is worked to strict specifications. All reflective surfaces are provided with a resistant coating so that the reflectivity is not adversely affected by dirt or condensation.

The absolute prism constant is -34.4mm and the Leica Prism offset is 0.0mm.

The GPR121 Professional version is manufactured from quality metal components, for accuracy and long life.

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