Main Products: optical glass lens ,optical window ,optical prism ,optical mirror ,optical waveplate
BK7 double concave lens, Bi-concave spherical lens
USD $5 - $60 /Piece
Min.Order:5 Pieces
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Changchun Ruiqi Optoelectronics Co., Ltd.
Business Type: Trading Company
Changchun Jilin ChinaMain Products: optical glass lens ,optical window ,optical prism ,optical mirror ,optical waveplate
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Fused Silica Bi-Concave Lens , optical glass double concave lens
Spherical Bi-concave Lens,Spherical Optical Lens,Bk7 Spherical Double Concave Lens
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Round Concave Glass Lens , optical glass CaF2 double concave lens
Product Details
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 |
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