Aspherical/Specialty Lenses
![Ultra Micro Lenses](../images/products/ultrasmall-lens/mainimg.jpg)
Ultra Micro Lenses
Molded aspheric glass lenses with 0.35 and over in diameter
Using high refractive index glass materials for our ultra micro lens allows an objective lens in a fiberscope to take a wider field of view.
Applications
- Objective lens used in a small diameter fiberscope, for the purpose of wider angle of view
Specifications
Diameter*1 | φ0.35 mm and over |
---|---|
Center thickness | 0.2 mm – 5 mm |
Lens shape | Plano, biconvex, biconcave, and convex-concave (meniscus) |
Curvature radius | More than 0.4 mm of curvature |
Coating | AR coating or other coatings available upon request |
Note*2 | Cover glass can be attached for biconvex and biconcave shaped lens |
- *1 Please contact us for lens of which size is smaller than φ0.35 mm.
- *2 Since some shapes cannot be formed, please contact us for details.
Accuracy
Tolerance | Standard precision value | Best measurement value |
---|---|---|
Diameter | ± 0.01 mm | ± 0.003 mm |
Center thickness | ± 0.02 mm | ± 0.005 mm |
Deviation and irregularity | 5 (3) | 3 (1) |
Downloads