Sapphire Window, 5.250 Inch Diameter


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SKU 30192
Weight 1.4 lbs
Dimensions 4 × 8 × 8 in
Location MB 19
Cosmetic Condition 5 - New/Like New
Product Condition Used
Container Box
OEM Name Brand Unmarked

This appears to be a sapphire window. It is very heavy and has a relatively high refractive index. It was checked with an optical flat and must be classified as a ‘window’ (see photos of front and rear). Characteristics are as follows:

Diameter � 5.250 inch.
Thickness � 0.126 inch
Coated both sides � Mag Fluoride

The window has no discernible flaws. Coating is strong on both surfaces.

Photo set 1999.

***OEM Brand Unmarked
***SKU*** 30192

SKU: 30192 Category: