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  2. Fisheye lens - Wikipedia

    en.wikipedia.org/wiki/Fisheye_lens

    In a circular fisheye lens, the image circle is inscribed in the film or sensor area; in a diagonal ("full-frame") fisheye lens, the image circle is circumscribed around the film or sensor area. This implies that using a fisheye lens for a different format than it was intended for is easy (as opposed to a rectilinear lens), and may change its ...

  3. Hemispherical photography - Wikipedia

    en.wikipedia.org/wiki/Hemispherical_photography

    Hemispherical photograph used to study microclimate of winter roosting habitat at the Monarch Butterfly Biosphere Reserve, Mexico.. Hemispherical photography, also known as canopy photography, is a technique to estimate solar radiation and characterize plant canopy geometry using photographs taken looking upward through an extreme wide-angle lens or a fisheye lens (Rich 1990).

  4. Samyang 8mm f3.5 fisheye - Wikipedia

    en.wikipedia.org/wiki/Samyang_8mm_f3.5_fisheye

    The Samyang 8mm f/3.5 fisheye is a fisheye photographic lens using the stereographic projection and is designed for crop factor APS-C DSLRs. [1] It is made in South Korea by Samyang Optics and marketed under several brand names, including Rokinon. The lens uses manual focus only. For most versions of the lens, the aperture must be set manually.

  5. Canon EF 8-15mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_8-15mm_lens

    The EF8–15mm f / 4L FISHEYE USM is a fisheye zoom lens for Canon digital single-lens reflex cameras (DSLRs) with an EF lens mount. It delivers 180° diagonal angle of view images for all EOS SLR cameras with imaging formats ranging from full-frame to APS-C, and provides 180° circular fisheye images for full-frame EOS models. Announced by ...

  6. Peleng lens - Wikipedia

    en.wikipedia.org/wiki/Peleng_lens

    Peleng 3.5/8A is an 8 mm super-wideangle circular fisheye photographic lens, and is designed as an interchangeable lens for Canon, Nikon, Pentax, Olympus digital or film cameras which have or do not have the instant-return diaphragm automatic control device [clarification needed]. The lens has a variable diaphragm from f/3.5 to f/16.

  7. Sigma 8mm f/3.5 EX DG lens - Wikipedia

    en.wikipedia.org/wiki/Sigma_8mm_f/3.5_EX_DG_lens

    The Sigma 8mm f/3.5 EX DG is a photographic lens introduced on 9 August 2006. It is a circular fisheye lens, designed to project a 180-degree field of view in all directions onto a circular image when used on a full-frame camera. The lens is available in Canon, Nikon, and Sigma mounts.

  8. Rectilinear lens - Wikipedia

    en.wikipedia.org/wiki/Rectilinear_lens

    [1]: 59 As of 2020, the Laowa 9mm f/5.6 lens is the world's widest rectilinear lens for full frame cameras. [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.

  9. Minolta AF Fish-Eye 16mm f/2.8 - Wikipedia

    en.wikipedia.org/wiki/Minolta_AF_Fish-Eye_16mm_f/2.8

    Originally produced by Minolta, and currently produced by Sony, the AF Fish-Eye 16mm, is a prime Fisheye lens compatible with cameras using the Minolta A-mount and Sony A-mount lens mounts. It is a full-frame fisheye lens with a 180° viewing angle. The front of the lens does not have a mount for filters.