Lens
Optical lenses are made from one or more optical lens materials. Ruisen offers spherical lenses including plano-convex, plano-concave, biconvex and biconcave types.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material [General] | BK7, Fused Silica,etc. |
| Material [High Precision] | BK7,Fused Silica,etc. |
| Paraxial Focal Length Tolerance [General] | +2% |
| Paraxial Focal Length Tolerance [High Precision] | upon request |
| Dimension Tolerance [General] | ±0.2 mm |
| Dimension Tolerance [High Precision] | ±0.05 mm |
| Centration [General] | <3 arc min |
| Centration [High Precision] | uoon reauest |
| IRR（@633nm） [General；@633nm；@633nm）] | N4 |
| IRR（@633nm） [High Precision；@633nm；@633nm）] | N10 |
| Clear Aperture [General] | >80% |
| Clear Aperture [High Precision] | >95% |
| Surface Quality [General] | 60/40 |
| Surface Quality [High Precision] | 10/5 |
| Bevel [General] | <0.25 mm |
| Bevel [High Precision] | upon request |
| Coating [General] | Uncoatde,AR,PR, HR,etc. |
| Coating [High Precision] | Uncoatde, AR,PR,HR,etc |
Datasheet
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Supplier Information
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