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  2. Rectilinear lens - Wikipedia

    en.wikipedia.org/wiki/Rectilinear_lens

    (a digital camera with an image sensor which size is similar to 35 mm film in film cameras as the standard film camera format) [2] The vast majority of video and still cameras use lenses that produce nearly rectilinear images. A popular alternative type of lens is a fisheye lens which produces a distinctly curvilinear, wide-angled result.

  3. List of omnidirectional (360-degree) cameras - Wikipedia

    en.wikipedia.org/wiki/List_of_omnidirectional...

    All-in-one omnidirectional cameras Brand Model Release year Camera design Lens # Photo resolution Video support Video specification Size(WHD,mm) Weight(g) Remark Panono: Panono [1] 2011: 36 lens separated: 36: 16384 x 8192: No: N/A: Φ110: 480: Raw camera data is processed by Panono cloud to generate 360 image. Panox: Panox V2 [2] 2024 ...

  4. Fisheye lens - Wikipedia

    en.wikipedia.org/wiki/Fisheye_lens

    After the war, the Fisheye-Nikkor lens was mated to a medium format camera and was produced in slightly modified form (focal length increased slightly to 16.3 mm) as the "Sky-image Recording Camera" in March 1957 for the Japanese government, [28] followed by a commercial release as the Nikon Fisheye Camera (also known as the "Nikon Sky Camera ...

  5. Closed-circuit television - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television

    Wireless cameras are also easy and inexpensive to install. [166] Previous generations of wireless security cameras relied on analogue technology; modern wireless cameras use digital technology with usually more secure and interference-free signals. [167] Wireless mesh networks have been used for connection with the other radios in the same ...

  6. Sigma 4.5mm f/2.8 EX DC Circular Fisheye HSM lens - Wikipedia

    en.wikipedia.org/wiki/Sigma_4.5mm_f/2.8_EX_DC...

    It is a circular fisheye lens, designed to project a 180-degree field of view in all directions onto a circular image. It is the first such lens to provide the complete circular fisheye effect on crop factor digital SLR cameras, which do not have a full 36x24mm sensor. [1] This lens is available in Canon, Nikon, Sigma, Pentax and Sony mounts.

  7. Omnidirectional (360-degree) camera - Wikipedia

    en.wikipedia.org/wiki/Omnidirectional_(360...

    Schematic of an omnidirectional camera with two mirrors: 1. Camera 2. Upper Mirror 3. Lower Mirror 4. "Black Spot" 5. Field of View (light blue) In photography, an omnidirectional camera (from "omni", meaning all), also known as 360-degree camera, is a camera having a field of view that covers approximately the entire sphere or at least a full circle in the horizontal plane.