K9 Biconvex lens
PRODUCT CATEGORIES
- Biconvex lens consists of two spherical radii, which effectively eliminates coma, distortion and color difference. They are combined with other lenses to form an imaging system.
- This type of lens is suitable for the following cases: the object and image are on both sides of the lens, and the ratio of image distance to object distance (conjugate ratio) is between 0.2 and 5.
- K9 biconvex spherical lens has good transmittance in near infrared (350-2000nm).
- H-K9L(N-BK7) is an optical glass commonly used in the preparation of optical elements.
- These uncoated biconvex lenses are prepared using H-K9L(N-BK7) conforming to ROHS standard. The collimated beam can converge on the rear focus, or the point light source can be changed into a collimated beam.
Technical parameters
| Items | Parameters |
|---|---|
| Material | optical glass, H-K9L (N-BK7) |
| Radius of curvature | ± 1mm - ± 50000mm ± 1% |
| Diameter | 3mm-300mm ± 0.1mm |
| Center thickness tolerance | ± 0.05mm (we can process to ± 0.01mm with high precision) |
| Center deviation | 3′(we can process to 30 ″with high precision) |
| Surface accuracy | λ/ 8 (high precision, we can process to 1 / 10λ) |
| Surface quality | 40/20 (we can process to 10-5 with high precision) |
| Effective caliber | ≥90% |
| Coating | multilayer antireflective film A:350-650nm B:650-1050nm C:1050-1580nm |
spectral curve
In addition, we have thousands of stock of K9 Biconvex lens, biconcave lens, plano concave lens, plano convex lens, meniscus lens and so on. The price is preferential and the quality is excellent, which can meet your demand for a small order.
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