|
Precision
Optics
Introduce
Windows
BK7
Windows
Fused
Silica Windows
CaF2
Windows
Sapphire
Windows
Lenses
Prisms
Waveplates
Beamsplitters
Filters
Laser
Optics
Coloured
Optical Glass
IR
Materials
Coating
Custom
Optics
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|
BK7
Windows
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| Specifications |
Material: BK7 grade A optical glass
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ¡À 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¡ã
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|
f
(mm)
|
T
(mm) |
1'
Parallelism
|
30"
Parallelism
|
10"
Parallelism
|
|
Part
No
|
Part
No.
|
Part
No
|
|
10.0
|
6.0
|
WN0101
|
WN0111
|
WN0121
|
|
12.7
|
6.0
|
WN0102
|
WN0112
|
WN0122
|
|
25.0
|
6.0
|
WN0103
|
WN0113
|
WN0123
|
|
25.4
|
6.35
|
WN0104
|
WN0114
|
WN0124
|
|
30.0
|
6.0
|
WN0105
|
WN0115
|
WN0125
|
|
50.0
|
10.0
|
WN0106
|
WN0116
|
WN0126
|
|
|
|
Please
refer to the Material
Chapter for more information about BK7. |
|
|
Please
refer to Coating
Chapter for more infomation of coating. |
|
|
Other
sizes and coatings are available upon request. |
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|
