Double Convex lens, also as bi-convex lens. It is the similar function with the plano convex lens, they are all positive lens used for focus beam. The used wavelength range as 190-2100nm. Material can be N-BK7,Fused Silica,CaF2,SF11,H-BaK4,H-BaK7,etc, other special requested can be customerized. Coating still available.
| Specification |
commercialCommercial |
High Precision |
| Material |
As Required Schott,CDGM.etc. |
As required Schott, CDGM,etc. |
| Diameter Tolerance |
+0.00/-0.20mm |
+0.00/-0.05mm |
| Focual Length Tolerance |
Typical +/-5%@633nm |
Typical +/-2% @633nm |
| Centration |
Typical <3arcmin |
Typical <3arcmin |
| Surface [email protected] |
L/4 |
L/8 |
| Surface Quality |
80-50 |
40-20 |
| Bevel |
0.2-0.5 |
0.05-0.2 |
| Coating |
As required, with paint, Protection coating, high precision |
PHYO OPTICS Production Material Choosing
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Surface finishing high precision Polishing and Coating
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Thin film Coating and design
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Assembly
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Packing for Delivery
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Audited Supplier 
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