| Shape: | Spherical |
|---|---|
| Structure: | Double Convex |
| Usage: | Optical |
| Material: | Glass |
| Brand Name: | Jollystar |
| Place of Origin: | China (Mainland) |
| Material: | Bk7 A glass,Quartz,CaF2 or crystals |
| Dia: | 0.01-0.1mm |
| Centration: | 1Arc minutes |
| Clear Apenture: | 90% |
| Coating: | no or AR |
Quick Details
Specifications
Bi-convex lenses JO-BCX
* Material:Bk7 A glass,Quartz,CaF2 or crystals.
* focal length:±0.1%
* Dia:0.01-0.1mm
* Center thickness tolerance:±0.01mm
* Centration:1Arc minutes
* Fringes:1-3
* Irregularity of fringes:0.1-0.3
* Surface quality:40-20 stratch/dig
* Clear Apenture:90%
* Bevel:0.25mm×45°
* Coating:no or AR