OEM Bk7 H-K9L Optical Glass Double Convex Lens With AR Coating
- High-quality glass: Made from optical-grade glass, ensuring exceptional clarity and durability.
- Double convex shape: Provides a precise and focused image, minimizing distortion and aberrations.
- Advanced anti-reflective coating (AR Coating): Reduces stray light by up to 99%, improving image quality and contrast.
- Low thermal expansion: The optical glass has low thermal expansion, ensuring stability and accuracy in various temperature conditions.
Function:
- Imaging applications: Used as a lens in high-precision imaging instruments such as microscopes, telescopes, and cameras.
- Precision optics: Suitable for use in precision optics industries where image quality is critical, such as scientific research, industrial inspection, and aerospace engineering.
Usage:
- Scientific research: High-end telescopes, microscopes, and other precision optics instruments.
- Industrial inspection: Precise measurement and inspection of surfaces in manufacturing environments.
- Aerospace engineering: Used in high-precision applications such as satellite and spacecraft components.
Material | Optical Glass, Fused Silica, quartz |
Diameter Tolerance | +0/-0.1 mm |
Thickness Tolerance | +/-0.1 mm |
Cler Aperture | over 90% |
Surface Quality | 80/50~10/5 |
Transmission | above 92% |
Chamfer | 0.1-0.4 mm x 45 degree |
Focal Length Tolerance | +/-1.5% |
Back Focal Length Tolerance | +/-1.5% |
Coating | available |
Usage | optical system, photographic sysem, Lighting system, Electronic apparatus, e.g. laser, camera, monitor, projector, magnifier etc. |


