ITEK Zerodur Spherical Mirror, Diameter 4.750
$450.00
This concave mirror was removed from an ITEK lens assembly which would speak exceptionally highly of its quality. (ITEK used to fabricate the optics used in the spy satellites for the military and the NSA). Characteristics include:
Diameter � 4.750 inches
Active area � 4.20 inches
Radius � approximately 280mm, CC
Substrate � Zerodur
Coating � Al ?
Weight � 1.30 pounds
The mirror has numerous small pits clustered near the center and a few scattered about the rest of the surface. The rest of the coating and surface appears to be unblemished � no haze and no scratches. The mirror is certainly very serviceable as it sits.
Photo set 1994
***MPN
***OEM ITEK
***SKU*** 30187
1 in stock
Description
Description
This concave mirror was removed from an ITEK lens assembly which would speak exceptionally highly of its quality. (ITEK used to fabricate the optics used in the spy satellites for the military and the NSA). Characteristics include:
Diameter � 4.750 inches
Active area � 4.20 inches
Radius � approximately 280mm, CC
Substrate � Zerodur
Coating � Al ?
Weight � 1.30 pounds
The mirror has numerous small pits clustered near the center and a few scattered about the rest of the surface. The rest of the coating and surface appears to be unblemished � no haze and no scratches. The mirror is certainly very serviceable as it sits.
Photo set 1994
***MPN
***OEM ITEK
***SKU*** 30187
Additional information
Additional information
| Weight | 2.1 lbs |
|---|---|
| Dimensions | 4 × 8 × 8 in |
