|Material||N-BK7||Range of Size||/|
|Dimension Tolerance||±0.2mm||Surface Quality||60/40 S/D|
|Angle Tolerance||<30arc seconds||Chamfer||Protective<0.5mmx45°|
Protected Aluminum reflective coating
Single Layer MgF2 AR coating at visible
Penta prisms can deviate the angle of incident beam or image to exact 90°without any inverting and reversing, whether the angle of incoming beam is. This kind of prisms is widely used in optical observation system and measuring applications.