Products -> Window-> Standard Window
 
Standard Window -> BK7 Series
 
Specifications
 
 
Material BK7 Grade A optical glass
Dimension Tolerance +0.0/-0.2mm
Thickness Tolerance ±0.2mm
Clear Aperture >90%
Parallelism Standard: 1 arc minute
High Precision: 10 arc seconds
Surface Quality Standard: 60/40
High Precision: 20/10
Wavefront Distortion Standard: λ@633nm per 25mm
High Precision: λ/10@633nm per 25mm
Chamfer Protected <0.5mmx45deg
Coating Uncoated, available
 
 
Standard
High Precision
Part No.
ø(mm)
T(mm)
Unit Price
Part No.
ø(mm)
T(mm)
Unit Price
WIN0110
10.0
3.0
$5.5
WIN0010
10.0
6.0
$11.0
WIN0112
12.7
3.0
$5.5
WIN0012
12.7
6.0
$11.0
WIN0115
15.0
3.0
$5.5
WIN0015
15.0
6.0
$11.0
WIN0120
20.0
3.0
$6.0
WIN0020
20.0
6.0
$13.0
WIN0125
25.4
3.0
$6.0
WIN0025
25.4
6.35
$14.0
WIN0130
30.0
3.0
$6.5
WIN0030
30.0
6.35
$15.0
WIN0150
50.8
6.35
$10.0
WIN0050
50.8
10.0
$32.0
 
Standard Window -> Fused Silica Series
 
Specifications
 
Material UV grade fused silica
Dimension Tolerance +0.0/-0.2mm
Thickness Tolerance ±0.2mm
Clear Aperture >90%
Parallelism Standard: 1 arc minute
High Precision: 10 arc seconds
Surface Quality Standard: 60/40
High Precision: 20/10
Wavefront Distortion Standard: λ@633nm per 25mm
High Precision: λ/10@633nm per 25mm
Chamfer Protected <0.5mmx45deg
Coating Uncoated, available
 
 
Standard
High Precision
Part No.
ø(mm)
T(mm)
Unit Price
Part No.
ø(mm)
T(mm)
Unit Price
WIN1110
10.0
3.0
$14.0
WIN1010
10.0
6.0
$24.0
WIN1112
12.7
3.0
$14.0
WIN1012
12.7
6.0
$25.0
WIN1115
15.0
3.0
$15.0
WIN1015
15.0
6.0
$26.0
WIN1120
20.0
3.0
$16.0
WIN1020
20.0
6.0
$28.0
WIN1125
25.4
3.0
$20.0
WIN1025
25.4
6.35
$32.0
WIN1130
30.0
3.0
$22.0
WIN1030
30.0
6.35
$35.0
WIN1150
50.8
6.35
$33.0
WIN1050
50.8
10.0
$80.0
 
Note: Other sizes and coating are available upon request.