Sapphire High-temperature Pinhole Lens  
Used as main parts of High Temperature Furnace CCTV System       

Technical Specifications:

Lens Length: 400mm – 4000mm

Diameter: Φ24.5mm

Focal Length: Fixed or adjustable

Angle of View: 90° or adjustable (40°- 100°)

Lens Elbow Angle: 0°(streight), 45°, 60°,75°,90°

Ambient Temperature: -20℃ - +700℃

Ambient Humidity: ≦90%

CCD: 1/3〃

Interface: CS