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| Price | $0.50 – $10.00 / Piece |
|---|---|
| Tooling Cost | [ Tooling fees may be needed for new design ] |
| Price Range | Depend on the qty and packaging, materials and specification requirements, etc. |
| Payment Term | Payment>500USD, 30% T/T in advance, 70% balance before shipment. Payment<=500USD, 100% in advance. |
| Lead Time | Generally 1-3 days if the goods are in stock. Normally 7-15 days for customed drawing. Negotiable for Busy Season or Large Qty. |
| Packaging | Inner packing – Special protective packing for optical products. Outer packing – Carton, anti-shock material and bubble wrap. |
| MOQ | ≧100pcs for OEM. 5 to 20pcs also welcome for sample order. |
| Structure | Double Concave |
| Shape | Spherical |
| Product Name | biconcave lens |
| Application | Teaching or Optical Equipment |
| Coating | Uncoated |
| Surface quality | 60/40 40/20 |
| Surface Accuracy | Lmbda/4 – 2Lambda |
| center | <3 arc minutes |
| Focal length tolerance | ±0.1% |
| Effective aperture | 80% |
| Material | K9/BK7 |
| Color | Transparent |
The biconcave lens is usually made of flint glass, which is used for beam divergence under general requirements and can be used for beam expansion in combination with the plano-convex lens.
20 years of experience in this field with good reputation and trade records.
We will contact you within 1 working day, please pay attention to the email with the suffix “@ampunion.com.cn”.
