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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.
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.
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. [159] Smart doorbells are one example of a type of CCTV that uses IP to allow it to send alerts. Main types of IP cameras include fixed cameras, pan–tilt–zoom (PTZ) cameras, and multi-sensor cameras. [160]
The Sony Cyber-shot DSC-QX100 is a mobile device-mountable lens-style compact camera manufactured by Sony.Announced on September 3, 2014, the QX100 is one of Sony's "Smart Lens" cameras, alongside the QX1, QX10 and QX30, that are specifically designed to be used with a smartphone.
A digital translation of a fixed camera view, to zoom in on the image and pan that close-up view around the zoomed image. Both the analog and digital PTZ can be combined together, potentially with a combined control system that is at first analog, but switches to digital once the optical zoom-in limit has been reached.
Many so-called "zoom" lenses, particularly in the case of fixed-lens cameras, are actually varifocal lenses, [1] which give lens designers more flexibility in optical design trade-offs (focal length range, maximum aperture, size, weight, cost) than parfocal zoom.
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