Oelincom Technologies

High Precision BK7 Windows

Specifications

Material: BK7 grade A optical glass
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ±0.2mm
Clear Aperture: >80%
Parallelism: see the table
Surface Quality: 20-10 scratch and dig
Wavefront Distortion: l/10 per 25mm
Bevel: <0.25mm X 45°

f(mm)	T (mm)	1' Parallelism	10'' Parallelism
f(mm)	T (mm)	Part No	Part No
10.0	6.0	SWNH0201	SWNH0211
12.7	6.0	SWNH0202	SWNH0212
25.0	6.0	SWNH0203	SWNH0213
25.4	6.35	SWNH0204	SWNH0214
30.0	6.0	SWNH0205	SWNH0215
50.0	10.0	SWNH0206	SWNH0216

Standard BK7 Windows

Specifications	Part No	f (mm)	T (mm)
Material: BK7 grade A optical glass Diameter Tolerance: +0.0, -0.1mm Thickness Tolerance: ±0.2mm Clear Aperture: >80% Parallelism: 1' Surface Quality: 60-40 scratch and dig Wavefront Distortion: l per 25mm Bevel: <0.25mm X 45°	SWNL0101	10.0	3.0
	SWNL0102	12.7	3.0
	SWNL0107	15.0	1.0
	SWNL0108	15.0	3.0
	SWNL0103	25.0	3.0
	SWNL0104	25.4	3.0
	SWNL0105	30.0	3.0
	SWNL0106	50.0	3.0
	SWNL0109	50.8	6.35

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