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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 camera types - Wikipedia

    en.wikipedia.org/wiki/List_of_camera_types

    Magnetic resonance imaging which produce images showing, internal structure of different parts of a patient's body. Rangefinder camera which produce images of the distance to each point in the scene. Ultrasonography uses ultrasonic cameras that produce images of the absorption of ultra-sonic energy.

  4. Fisheye lens - Wikipedia

    en.wikipedia.org/wiki/Fisheye_lens

    Pentax F 17–28 mm f /3.5–4.5 Fisheye – This lens was born for 35 mm full frame film cameras, to take the place of the 16 mm f/2.8 in the AF era. It starts from a 17 mm full-frame (diagonal) fisheye. When it reaches 28 mm, the fisheye effect is almost gone, leaving an overdistorted wideangle image. It was intended as a "special effect ...

  5. List of digital camera brands - Wikipedia

    en.wikipedia.org/wiki/List_of_digital_camera_brands

    Name licensed by General Imaging; Compact digital cameras, bridge digital cameras Genius: Taiwan: Compact digital cameras GoPro: United States: Highly compact personal-use rugged action cameras Hasselblad: Sweden: Medium format cameras (H System); mirrorless medium-format cameras (X System); lenses; multi-shot digital backs; photographic ...

  6. Angle of view (photography) - Wikipedia

    en.wikipedia.org/wiki/Angle_of_view_(photography)

    Fisheye lenses, typical focal lengths are between 8 mm and 10 mm for circular images, and 15–16 mm for full-frame images. Up to 180° and beyond. Up to 180° and beyond. A circular fisheye lens (as opposed to a full-frame fisheye) is an example of a lens where the angle of coverage is less than the angle of view.

  7. Hikvision - Wikipedia

    en.wikipedia.org/wiki/Hikvision

    In May 2017, seven series of Hikvision cameras were affected by an improper authentication vulnerability which, if exploited, could allow "a malicious attacker [to] escalat[e] his or her privileges or assum[e] the identity of an authenticated user and [obtain] sensitive data," according to the U.S. Cybersecurity and Infrastructure Security Agency.