iPhone app CCTV Lens Calculator

* Simple and easy to use.

* This generic CCTV Lens Calculator calculates the lens required for a CCTV camera.

* Now with scene calculation based on focal length.

* Calculate using feet or meters.

* Enter distance from the scene, horizontal distance of scene and height of the camera, then click calculate.

* Results show lens required, angle of view and pixels per meter(feet).

* Indicates if the object or person can be: Identified, Recognised or Detected.

* The new scene calculation allows you to calculate the scene dimensions, based on a focal length value.

* Calculate horizontal distance of a scene based on focal length and distance between cameras and subject.

* Calculate distance between camera and subject based on focal length and horizontal distance of scene.

* Scene calculation allows you enter vari-focal lens min/max focal length and use a slider to easily switch between values.,

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