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K9 plane convex spherical lens can see the transmittance of near-infrared (350-2000nm).
H-k9l (n-bk7) is an optical glass commonly used to prepare optical elements.
The collimated beam can converge on the rear focus, or the point light source can be changed into a collimated beam.
Plano convex lenses are ideal for focusing parallel rays at one point. These lenses can be used in a variety of applications. They have proven focal lengths and have near optimal shapes for infinite and finite conjugate applications. The plano convex lens can focus the collimated beam on the back focus, or turn the point light source 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 Plano convex cylindrical lens, Biconvex cylindrical lens, concave cylindrical lens, Meniscus cylindrical 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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