WebA 3.6mm lens is designed to provide an approximate 78° field of view and is the perfect camera in most CCTV applications. Most people think that a 3.6mm lens won't show a large field of view, but as you can see from the below images, there's not a huge difference between a 2.8mm and 3.6mm lens. WebVari-focal lens / Fixed iris: Mount Type: Board-in: Focal Length: 2.7-12mm: Max Aperture: F1.8: Angle of View: H: 106° ~33° V: 56° ~19° Focus Control: Manual: Close Focus Distance: 500mm 19.7" DORI Distance Note: The …
High Resolution Dome Security Camera with 2.7 to …
WebLens Focal Length = (Distance) * 3.2 mm / HorizontalWidth where 3.2 mm is the horizontal size of 1/4″ CCTV sensor (4.8 mm for 1/3″ sensor). In the earlier days, rotating lens focal length calculators made out of paper were good and simple tools for quick calculation of the field of view. As well as the formula above. WebMost varifocal security cameras will have a focal length of 2.7mm-12mm (4x zoom), but they can go up to 4.5mm-135mm (30x zoom). The longer the focal length, the more you can zoom in and see details. On the other end, a smaller focal length means that you will have a wider field of view (FOV). lawnspider robot lawn mower
Lens focal length calculator CCTV Calculator
WebMost CCTV applications use a fixed-focal-length lens, which, like your eye's lens, covers a constant angular field of view. That is, the fixed lens images a scene with constant magnification. A large variety of CCTV camera lenses are available with different focal lengths, which will provide different fields of view. WebCCTV Surveillance Camera Focal Length Angle of View Comparison. IPVM. 8.72K subscribers. Subscribe. 16K views 7 years ago. Do your own comparisons here - … WebFocal Length. mm. Object Distance. m. DRI Simulator. DRI Calculator. DRI Detection Recognition Identification; Size of DRI objects [Pixels] Target size[m] ... Actual range performance of any lens and camera may differ from those shown. The ranges displayed do not imply any warranty on expected performance. kansas city missouri historical weather