Material: Glass and metal case, no plastic, suitable for high-temperature and cold environments (-20C to 60C). Compatible with OV4689/OV5658 sensor. Multi-layer coating provides excellent transmittance and effectively reduces glare and halo effects. Wide focal length range: 6mm to 22mm, long-distance visibility up to approximately 50m. High-precision machining and optical design ensure clear images at all focal lengths. Supports IR function for night vision use. Precise back focal length (BFL) ensures consistent focus performance in low light. Large aperture of F1.6 supports starlight camera technology, delivering colorful images in low-light conditions. Color: Black Material: Metal + Glass Model: FG-M12VF0622IR-5MP Resolution: 5MP Focal Length: 6-22mm Aperture: F1.6 Minimum Object Distance (M.O.D.): 0.3m Mount: M12 Image Format: 1/2.5 inch Field of View (HxV): 58 x 46.4 to 20.4 x 16.3 (at 1/2.5 inch sensor) Back Focal Length: 6.2mm Flange Back Focal Length: 13.5mm Optical Back Focal Length: 6.4mm Weight: 30.6g IR Correction: Yes Dimensions: 28mm diameter x 45.3mm Focus: Manual Zoom: Manual Iris: Manual Package Includes: 1 x CCTV Camera Lens Note: Other items not included. Lighting and display differences may cause slight color variations between image and actual item. Measurement error allowed within +/- 1-3cm.