H-PZ33 mirror

Astronomy mirror on low extension coefficient borosilicate

Part details

Material :

H-PZ33, low extension coefficient borosilicate from CDGM

Manufacturing process :

Cutting, boring polishing and coating

Dimensions:

D76.2mm, thickness 12.7mm, central hole D10.44mm to 6.5mm

Shape :

Round plano-concave mirror with a central hole

Aspect :

S&D 60-40 on the optical surface, fine grounded on the other surface.

Flatness:

PV lower than  2 fr

Optical treatment :

Enhanced aluminium, Ravg better than 93% @ 200-500nm range

Focal length:

EFL = 203mm

Usage :

Astronomy telescope