Shanghai Longway Special Glass Co., Ltd.
| Payment Terms | D/P,T/T,Western Union |
| Supply Ability | 2000 Pieces per Month |
| Packaging Details | electrolytic capacitor paper,foam,carton |
| Delivery Time | 30 days |
| Structure | Optical Dome Lens |
| Surface | Optical grade |
| Transmission | over 90% |
| Coating | available |
| Processing | Grinding and polishing |
| OEM | available |
| Brand Name | LONGWAY |
| Model Number | LW160920123 |
| Certification | ISO9001 |
| Place of Origin | Shanghai, China |
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Product Specification
| Payment Terms | D/P,T/T,Western Union | Supply Ability | 2000 Pieces per Month |
| Packaging Details | electrolytic capacitor paper,foam,carton | Delivery Time | 30 days |
| Structure | Optical Dome Lens | Surface | Optical grade |
| Transmission | over 90% | Coating | available |
| Processing | Grinding and polishing | OEM | available |
| Brand Name | LONGWAY | Model Number | LW160920123 |
| Certification | ISO9001 | Place of Origin | Shanghai, China |
| High Light | Optical Glass Convex Dome Lens ，BK7 B270 Optical Glass Convex Dome ，Optical Glass dome | ||
Customized BK7 B270 Optical Glass Convex Dome Lens For Smart Devices
Glass Material:
N-BK7 & B270 Crown Glass:
N-BK7: Borosilicate crown glass with high transmission (350–2000 nm), low dispersion, and excellent thermal stability.
B270: Soda-lime crown glass with similar optical clarity (380–2500 nm), often used for cost-effective precision optics. Both materials prioritize homogeneity and low bubble/inclusion content.
Key Properties:
Dome Geometry: Convex curvature provides wide-angle light collection, minimizes spherical aberration, and protects underlying optics.
High Transmission: >90% light transmission in visible spectrum (400–700 nm) for BK7; B270 offers comparable clarity.
Thermal Resilience:
BK7: Low thermal expansion (3.3 × 10⁻⁶/K).
B270: Moderate thermal stability (8.5 × 10⁻⁶/K), suitable for controlled environments.
Surface Quality: Precision-polished surfaces (scratch-dig: 40-20 or better) reduce scatter and distortion.
Durability: Resists humidity, mild acids, and mechanical wear.
Primary Functions:
Focuses or collimates light in wide-angle optical systems.
Enhances light collection efficiency in imaging and sensing applications.
Protects sensitive components (e.g., sensors, LEDs) from environmental damage.
Corrects aberrations in compact optical assemblies.
Applications:
Imaging Systems: Surveillance cameras, drone optics, and fisheye lenses.
Lighting: LED collimation, automotive headlights, and stage lighting.
Sensors: LiDAR, motion detectors, and industrial inspection systems.
Medical Devices: Endoscope tips, dermatology tools, and diagnostic sensors.
Aerospace/Defense: Missile domes, cockpit displays, and thermal imaging windows.
Advantages Over Alternatives:
BK7: Superior thermal/chemical resistance vs. B270.
B270: Cost-effective for non-extreme environments.
Dome shape reduces need for additional protective optics.
Target Industries:
Consumer electronics (cameras, smart devices).
Automotive and aerospace engineering.
Industrial automation and robotics.
Medical technology and defense.
| Name | Optical Domed Lens |
| Material | Optical glass, Qurartz glass, borosilicate glass |
| Diameter Tolerance | +0/-0.15 mm |
| Thickness Tolerance | +/-0.15mm |
| Processed | by grinding, polishing |
| Surface Quality | 80/50,60/40,40/20 |
| Material Quality | no scratches and air bubble |
| Transmission | above 90% |
| Chamfer | 0.1-0.5 mm x 45° |
| Surface Coating | Available |
| Usage | Photography, Lighting system, Optics |
Company Details
Business Type:
Manufacturer,Agent,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
1000000-5000000
Employee Number:
30~100
Ecer Certification：
Verified Supplier
Introduction Shanghai Longway Special Glass Co., Ltd. has been a professional supplier in the glass industry for over 20 years. With its expertise spanning across various fields, including optics, laser, imaging, and lighting etc., the company has established itself as a trusted partner for busines... Introduction Shanghai Longway Special Glass Co., Ltd. has been a professional supplier in the glass industry for over 20 years. With its expertise spanning across various fields, including optics, laser, imaging, and lighting etc., the company has established itself as a trusted partner for busines...
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