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| Categories | Optical Glass Lens |
|---|---|
| Brand Name: | LONGWAY |
| Model Number: | LW160920452 |
| Certification: | ISO9001 |
| Place of Origin: | Shanghai, China |
| MOQ: | 300 pieces |
| Price: | NEGOTIATION |
| Payment Terms: | T/T,Western Union |
| Supply Ability: | 70000 Pieces per Month |
| Packaging Details: | electrolytic capacitor paper, carton |
| Structure: | convex and concave |
| Surface: | Polished |
| Transmission: | over 90% |
| Coating: | available |
| Processing: | grinding and polishing |
| OEM: | available |
| Company Info. |
| Shanghai Longway Special Glass Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Optical Glass Wide-Angle Convex and Concave Optical Lens For Optics
Material Composition
Optical glass wide-angle convex and concave lenses are
precision-engineered from high-quality optical glass, such as
borosilicate crown (BK7) or fused silica. These materials are
chosen for their exceptional transparency, low dispersion, and
thermal stability. Advanced coatings, like anti-reflective (AR) or
scratch-resistant layers, are often applied to enhance performance.
Key Properties
High Refractive Index: Enables efficient light bending, critical for wide-angle applications.
Low Chromatic Aberration: Minimizes color distortion for clear imaging.
Durability: Resistant to thermal expansion, mechanical stress, and environmental degradation.
Wide Field of View (FOV): Convex lenses focus light to expand FOV, while concave lenses diverge light to correct spherical aberrations.
Functional Roles
Convex Lenses: Curve outward to converge light rays, magnifying images and capturing broader scenes. Ideal for wide-angle photography and surveillance.
Concave Lenses: Curve inward to diverge light, compensating for distortions (e.g., barrel distortion) in optical systems.
Combined Use: Integrating both lens types optimizes image clarity, reduces edge distortion, and balances light distribution in complex optical setups.
Applications
Photography & Videography: DSLR cameras, drones, and action cameras use wide-angle convex lenses for panoramic shots.
Scientific Instruments: Microscopes, telescopes, and spectrometers leverage concave lenses for aberration correction.
Medical Devices: Endoscopes and ophthalmic tools rely on compact wide-angle optics for precision imaging.
Automotive & Aerospace: LiDAR systems and dashboard cameras employ these lenses for enhanced spatial awareness.
Consumer Electronics: Smartphone cameras, VR headsets, and security systems utilize wide-angle optics for immersive experiences.
| Material | Optical Glass, Fused Silica, quartz |
| Diameter Tolerance | +0/-0.15 mm |
| Thickness Tolerance | +/-0.15 mm |
| Cler Aperture | over 90% |
| Surface Quality | 80/50~10/5 scratch and dig |
| Transmission | above 90% |
| Chamfer | 0.1-0.5 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 |
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