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
$6.0
WIN0010
10.0
6.0
$12.0
WIN0112
12.7
3.0
$6.0
WIN0012
12.7
6.0
$12.0
WIN0115
15.0
3.0
$6.0
WIN0015
15.0
6.0
$12.0
WIN0120
20.0
3.0
$6.6
WIN0020
20.0
6.0
$14.5
WIN0125
25.4
3.0
$6.6
WIN0025
25.4
6.35
$15.5
WIN0130
30.0
3.0
$7.0
WIN0030
30.0
6.35
$16.5
WIN0150
50.8
6.35
$11.0
WIN0050
50.8
10.0
$35.0
 
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
$15.5
WIN1010
10.0
6.0
$26.5
WIN1112
12.7
3.0
$15.5
WIN1012
12.7
6.0
$27.5
WIN1115
15.0
3.0
$16.5
WIN1015
15.0
6.0
$28.5
WIN1120
20.0
3.0
$17.5
WIN1020
20.0
6.0
$31.0
WIN1125
25.4
3.0
$22.0
WIN1025
25.4
6.35
$35.0
WIN1130
30.0
3.0
$24.0
WIN1030
30.0
6.35
$38.5
WIN1150
50.8
6.35
$36.0
WIN1050
50.8
10.0
$88.0
 
Note: Other sizes and coating are available upon request.