Place of Origin | Jilin, China | Brand Name | Worldhawk |
Model Number | WH-L | Usage | Optical |
Structure | double convex,double concave | Shape | Aspheric |
Materials: | Bk7,Quartz,Caf2,Sapphire etc | Surface quality | 80/50 to 20/10 |
Diameter | 2-120mm | Edge thickness | 1mm +/- 0.10mm |
Centration | 1 to 3Arc minutes | Clear Aperture | >90% of diameter |
S/D | 60/40 |