Half-penta prisms are used to deviate the line of sight by 45° without inverting or reverting the image. The reflecting surface is aluminized and over-coated with black paint protection and extinction.

Dimensional Tolerance (mm)	±   0.10
Surface Accuracy (λ )	1/4λ
Surface Quality	40-20
Angle Tolerance (arcminutes)	± 3
Bevel	0.20mm x 45°
Substrate	Other on request
coating	Reflecting Surface: Aluminum
	w/ Inconel; Entrance & Exit
	Faces: VIS 0° , R(ave) < 0.4%
	from425-675mm
RoHS	Compliant