Products
PRECISION OPTICAL ELEMENT
PRECISION OPTICAL ELEMENT
PRECISION OPTICAL ELEMENT
Aspherical lens
Material
Schott, CDGM, Ohara, Hoya, Glass of low melting point materials, Plastic
Specification | Normal | Precision |
Diameter Tolerance | 0.0,-0.2mm | 0.0,-0.01mm |
Paraxial Focal Length | ±2% | ±0.5% |
Centration | ±3 arc min | ±30 arc sec |
Surface Figure | λ/4@632.8nm | λ/4@632.8nm |
Clear Aperture | >85% | >100% |
Surface Quality | 60-40 S/D | 10-5 S/D |
Coating | Available upon request | |
Partial stock：
| NO. | focal distance(mm) | caliber(mm) | Center thickness(mm) | coating |
| YF-ASP-0004 | 20.1 | 25 | 12 | 350-700nm R<0.5% |
| YF-ASP-0005 | 8 | 10 | 5.8 | 350-700nm R<0.5% |
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Inventory products are continuously updated