Highlights: ·Focal length 2.9 - 8.2 mm ·Number of apertures: F1.0 ·Horizontal view angle: 35 - 98 ° Features: ·8.5 mm CS mount Variofocal lens ·Focal length 2.9 - 8.2 mm ·F-number: F1.0 ·Horizontal viewing angle: 35 - 98°. Technical Specifications: Aperture: F1.0 · Dimensions: (Ø x H) 43,5 mm x 45 mm Description: Lens characteristics are just as important as the quality of the camera for the quality of the video picture. This high-quality Vario lens is characterised by maximum compensation of the brightness reduction typical at picture edges, low colour defects and minimum picture distortion. The adjustable zoom and focus allows optimum settings for the desired view. For outdoor applications, and indoor applications with variable lighting, we recommend using only lenses with an Auto-Iris aperture (Al).