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2. Pan–tilt–zoom camera - Wikipedia

   en.wikipedia.org/wiki/Pan–tilt–zoom_camera

   A pan-tilt-zoom camera (PTZ camera) is a robotic camera capable of panning horizontally (from left to right), tilting vertically (up and down), and zooming (for magnification). PTZ cameras are often positioned at guard posts where active employees may manage them using a remote camera controller.

3. Zoom lens - Wikipedia

   en.wikipedia.org/wiki/Zoom_lens

   Nikkor 28–200 mm zoom lens, extended to 200 mm at left and collapsed to 28 mm focal length at right. A zoom lens is a system of camera lens elements for which the focal length (and thus angle of view) can be varied, as opposed to a fixed-focal-length (FFL) lens ().

4. List of superzoom compact cameras - Wikipedia

   en.wikipedia.org/wiki/List_of_superzoom_compact...

   This is a list of superzoom compact cameras, also known as travel zoom cameras. [ 1 ] [ 2 ] These are small fixed-lens " point-and-shoot " digital cameras that have a high optical zoom ratio. These cameras all include a power zoom lens that retracts into the body when not in use, along with an automatic lens cover or lens cap.

5. Closed-circuit television - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television

   IP cameras are considered part of the Internet of Things and have many of the same benefits and security risks as other IP-enabled devices. [137] Main types of IP cameras include: fixed cameras, pan-tilt-zoom (PTZ) cameras and multi-sensor cameras. [138]

6. Closed-circuit television camera - Wikipedia

   en.wikipedia.org/wiki/Closed-circuit_television...

   These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

7. List of camera types - Wikipedia

   en.wikipedia.org/wiki/List_of_camera_types

   Traffic enforcement camera; Twin-lens reflex camera; Video camera; View camera; Webcam; Wright camera; Zenith camera; Zoom-lens reflex camera; The term camera is also used, for devices producing images or image sequences from measurements of the physical world, or when the image formation cannot be described as photographic: Acoustic camera ...