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OEM Anti-reflective Coating Optical Hemispherical Dome for CCTV Photography

Categories Optical Dome
Brand Name: LONGWAY
Model Number: LW160920122
Certification: ISO9001
Place of Origin: Shanghai, China
MOQ: 100 pieces
Price: NEGOTIATION
Payment Terms: D/P,T/T,Western Union
Supply Ability: 3000 Pieces per Month
Packaging Details: electrolytic capacitor paper,foam,carton
Structure: Optical Hemispherical Glass Dome
Surface: Optical grade
Transmission: over 90%
Coating: available
Processing: Grinding and polishing
OEM: available
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OEM Anti-reflective Coating Optical Hemispherical Dome for CCTV Photography



OEM Anti-reflective Coating Optical Hemispherical Dome for CCTV Photography


Material Composition
The dome is crafted from high-purity optical-grade glass (e.g., borosilicate or fused silica), renowned for its exceptional clarity and durability. It features a multi-layer anti-reflective (AR) coating, typically composed of thin-film materials like magnesium fluoride (MgF₂) or silicon dioxide (SiO₂), applied via vacuum deposition.


Key Properties

High Light Transmittance: The AR coating minimizes surface reflections (<1% reflectivity), ensuring ~99% light transmission for superior image clarity.

Scratch Resistance: Hardened glass and coatings resist abrasions, maintaining optical integrity in harsh environments.

Environmental Durability: UV-resistant coatings prevent yellowing, while hydrophobic layers repel water and dust.

Wide-Angle Performance: The hemispherical shape reduces geometric distortion, enabling seamless 180° field-of-view coverage.



Applications

Surveillance Systems: Deployed in public spaces (airports, streets), commercial buildings, and residential areas for unobstructed monitoring.

Traffic Monitoring: Enhances license plate recognition and incident detection under varying lighting conditions.

Industrial Security: Used in factories, warehouses, and offshore rigs to withstand corrosive or high-impact environments.

Smart Cities: Supports AI-powered analytics by delivering distortion-free footage for facial recognition or motion tracking.


Functional Benefits

Glare Reduction: Eliminates unwanted reflections from ambient light (e.g., headlights, sunlight), critical for 24/7 CCTV surveillance.

Weatherproofing: Protects internal camera lenses from rain, dirt, and vandalism.

Color Accuracy: Preserves true-to-life color reproduction by minimizing spectral distortion.



NameOptical hemispherical glass dome
MaterialOptical glass, Qurartz glass, borosilicate glass
Diameter Tolerance+0/-0.15 mm
Thickness Tolerance+/-0.15mm
Processedby grinding, polishing
Surface Quality80/50,60/40,40/20
Material Qualityno scratches and air bubble
Transmissionabove 90%
Chamfer0.1-0.5 mm x 45°
Surface CoatingAvailable
UsagePhotography, Lighting system, Optics









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