ZEIT Group
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Biconcave Lens
Processing Capacity
Capable to realize the complete processes in optical design, instrument design, component high-precision molding,
planar processing, spherical processing, aspheric processing, coating, etc.
Applications
Photoelectric information; aerospace; new energy; nuclear power and nuclear energy equipment and other fields.
Performance
● The biconcave lens has a negative focal length and is used to diverge a beam of parallel light. The anti-reflective
multilayer film lens which is uncoated and coated with visible light band can be provided.
Features
| Biconcave Lens | |
| Model | Lens-BI-X |
| Material | H-K9L(BK7), Quartz, Sapphire, CaF2, BaF2, MgF2, Ge, ZnSe |
| Optical film | Specified by the customer |
| Surface precision | λ/6 |
| Surface inhomogeneity | λ/4 |
| Surface quality | 20-10 for H-K9L(BK7), Quartz, Sapphire |
| Focus tolerance | ±1% |
| Dimensional tolerance | ±0.1mm |
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