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led lens 20 degree plano concave lenses 20mm
- 500000 Piece / Pieces per Month
- changchun
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Product Details
| Place of Origin: | Jilin, China | Material: | Glass | Usage: | Optical |
| Structure: | Plano-convex | Shape: | Cylindrical |
Product Description
Product Description
Optical cylindrical lens
is used to provide focusing power in one section only. For illumination or detection of light from line sources. Also used to anamorphic compression of beams and images. Especially widely used to anamorphic compression of LD (laser diode) output beam.
Specifications of optical cylindrical lens:
Material | BK7 or Fused Silica |
Design Wavelength | 632.8 nm |
Design Index: | Scott material |
BK7 | n=1.5147±0.0005 |
Fused Silica | n=1.45702±0.00005 |
Surface Figure | x: λ/2; y: 2λ |
Diameter Tolerance | +0.00, -0.15 mm |
Thickness Tolerance | ±0.2 mm |
Paraxial Focal Length | ±2% |
Centration | <3 arc minutes |
Clear Aperture | >85% |
Surface Quality | 60-40 scratch and dig |
Protective Bevel | 0.25 mm x 45° |
The processing:
- Cutting materials,
- preparing toolings and models,
- Coarse grinding,
- Polishing surfaces,
- Cleaning the lenses,
- testing,
- coating,
- testing Finish.
Contact Us:
Tel: +86-431-85179189
Contact Us
- Jilin Tianhua Opto-Electrical Technology Development Co., Ltd.
- Contact nameFeng Chen Chat Now
- Phone86-431-85175526
- AddressHuoju Road No286 Changchun,Jilin
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