BNEB-50.8x50.8x02B

Model：BNEB-50.8x50.8x02B
Description：

Price(USD)：$0

Specification

Model No	BNEB-50.8x50.8x02B
Material	BK7A
Dimension (mm)	50.8x50.8
Thickness (mm)	2
Surface Flatness @ 633 nm	< λ/ 8
Surface Quality	< 10/5
Wedge	< 3 arc min
Dimension Tolerance (mm)	< + 0.00 / – 0.20
Thickness Tolerance	< ± 0.25 mm
Clear Aperture	> 85% of central dimension
Bevel	0.3 mm (typical) x 45°
Rave	29% ± 3% @ visible
Tave	29% ± 3% @ visible
Absorption	42% ± 4% @ visible
Durability	Meet adhesion & abrasion per MIL-C-675

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