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(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.
The Nikon Fisheye Camera was discontinued in September 1961, [28] and Nikon subsequently introduced the first regular production fisheye lens for 35 mm cameras in 1962, [12] the Fisheye-Nikkor 8 mm f /8, [35] which required the reflex mirror on its Nikon F and Nikkormat cameras to be locked up prior to mounting the lens.
The 11e/8g Ogura design was licensed by Leitz and assembled by Minolta for Leica R-mount cameras; the Fisheye-Elmarit-R was released in 1974 and continued in production until 2001. [4] When the Minolta A-mount system was released in 1985, the 11e/8g Ogura design was revived as an autofocus lens, the Minolta AF Fish-Eye 16mm f/2.8 (1986).
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.
In April 2022, the UK Department of Health and Social Care banned the purchase of Hikvision cameras. [40] In November 2022, the UK prohibited the use of Hikvision equipment in government buildings. [41] In August 2022, the Ministry of Business, Innovation and Employment of New Zealand said that it would stop buying Hikvision cameras. [42]
The cameras are used to record details such as gender, age, and ethnicity. Cameras have been used in a southern Chinese city to issue tickets to people for infractions. [85] In India, the cities of Hyderabad and Delhi, the capital, have around 900,000 and 450,000 cameras, respectively. [83]
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