Coner Cube Prisms for Golf Rangefinder

Corner Cube Prisms

Material:BK7 Grade A
Clear Aperture: >85% of dimension
Surface Quality:60-40 scratch and dig
Flatness: λ/4 at 632.8nm
Deviation: +/-20 arc sec
Bevel: 0.25mmx45deg

Corner cube prisms also called Retro-Relectors,Which will reflect light ray entering the hypotenuse surface back parallelly,desipte the entering angle of the incident light ray.They are widely uesd for rangefinder for golf equipment,Laser Rangefinder,etc..