Corner Cube Prisms

Diameter: 12.7 +/-0.2mm
Height: 9.5+/-0.2mm
Material:BK7 Grade A
Clear Aperture: >85% of dimension
Surface Quality:60-40 scratch and dig
Flatness: ??/4 @ 632.8nm
Deviation: +/-20 arc sec
Bevel: 0.25mmx45deg

For Golf RangeFinder
For Golf Flagsticks