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High Precision BK7 Windows ( 20-10, Lambda/10 grade)
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: Lambda/10 per 25mm
Protective Bevel
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: Lambda/10 per 25mm
Protective Bevel
 (mm) |
T(mm) | 1± Parallelism | 10" Parallelism |
| Part No. | Part No. | ||
| 10.0 | 6.0 | WNH0201 | WNH0211 |
| 12.7 | 6.0 | WNH0202 | WNH0212 |
| 25.0 | 6.0 | WNH0203 | WNH0213 |
| 25.4 | 6.35 | WNH0204 | WNH0214 |
| 30.0 | 6.0 | WNH0205 | WNH0215 |
| 50.0 | 10.0 | WNH0306 | WNH0316 |
Prices shown are for 1-9 piece quantities. Please contact us for factory quantitiy prices for larger quantities
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Contact Information
sp3 plus ltd
18 All Saints Road
Tunbridge Wells,
Kent
TN4 9JF
United Kingdom
email:info@sp3plus.co.uk
ph: +44 (0)1892 615571
fax:+44 (0)1892 615726