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Plano Concave

Specification	Standard
Material	As indicated below
Diameter Tolerance	+0.00mm / - 0.1mm
Effective Focal Length	± 1% @ design wavelength
Thickness Tolerance	± 0.05mm
Clear Aperture	80%
Surface Quality	20-10
Standard Bevel	0.005" – 0.060" face width depending on diameter
Coating	As indicated below

Notes:
In reference to the columns below labeled "DWL", this means Design Wavelength & refers to the Effective Focal Length(mm) for each lenses.

Note: Items below are available While Supplies Last.

Material	Diameter (mm)	Edge Thickness Variation (ETV)	CT (mm)	DWL 5.0µm	Surface Irregularity	Surface Quality	Coating	Part Number	Price	Discounted Price	Action
BaF₂	12	0.025mm	1.0	-116.289	0.25 fringes @ 0.63µm	20-10	BBAR @ 0.8-2.5µm	903681-02	512.00	307.20

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