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Sapphire Window, 5.250 Inch Diameter

Name: Sapphire Window, 5.250 Inch Diameter
SKU: 30192
Price: 450.00 USD
Availability: OutOfStock

$450.00

Out of stock

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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.

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

SKU: 30192 Category: Windows and Flats

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Sapphire Window, 5.250 Inch Diameter

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