Part 
Number

Former
 MG Part
 Number

A
(mm)

A
mm (in.)

Clear Aperture
 (B) mm (in.)

Optical Material

Surface
Figure

Surface
Quality

RAP-050-UV

RAP-050-UV

12.7

(0.500)

(0.425)

Fused Silica

λ/10

10-5