Home > Products > Spherical lens > BK7 Double Concave Lens, Bi-concave Spherical Lens
BK7 Double Concave Lens, Bi-concave Spherical Lens
US$ 5 - 60
/ Piece
5 Pieces(Min. Order)
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Product Details
| Place of Origin | Jilin, China | Brand Name | CCRQ | |
| Model Number | double concave lens | Material | Other, znse BK7,fused silica,sapphire | |
| Usage | Optical | Structure | Other, concave,double concave | |
| Shape | Spherical |
Product Description
BK7 double concave lens, Bi-concave spherical lens
Plano-Concave(PV) lenses have one flat and one inward curved surface. PV lenses have a negative focal length and are used for image reduction or to spread light.
Bi concave glass lens is manufactured with both surfaces concave. These lenses have negative focal lengths
BK7,fused silica,sapphire, CaF2 Plano concave Specification:
| Material | BK7,Fused Silica,Sapphire,K9,Caf2 single crystal optical glass |
| Dimension | 5-300mm+0/-0.15mm |
| Thickness | 5-200mm+0/-0.15mm |
| Centration | <3 arc min |
| Clear Aperture | >85% |
| Surface quality | 60-40,40/20,20/10 |
| Clear Aperture | >90% |
| Bevel | 0.2*45degree |
| Coating | AR,BBAR,MgF2 coating |
Contact Us
- Changchun Ruiqi Optoelectronics Co., Ltd.
- Contact nameAmy wang Chat Now
- Phone86-431-81006808
- AddressErdao Disctrict, Changchun, Jilin
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