City Pedia Web Search

  1. Ad

    related to: buy these instead of raycon x 3 2 0 8 0x35mm lens reviews

Search results

  1. Results From The WOW.Com Content Network
  2. Lensbaby - Wikipedia

    en.wikipedia.org/wiki/Lensbaby

    The Lensbaby 2.0. Lensbaby is a line of camera lenses for DSLR and mirrorless cameras that combine a simple lens with a bellows or ball and socket mechanism for use in special effect photography. A Lensbaby can give effects normally associated with view cameras. The lenses are for use in selective focus photography and bokeh effects.

  3. Luneburg lens - Wikipedia

    en.wikipedia.org/wiki/Luneburg_lens

    A Luneburg lens (original German Lüneburg lens) is a spherically symmetric gradient-index lens. A typical Luneburg lens's refractive index n decreases radially from the center to the outer surface. They can be made for use with electromagnetic radiation from visible light to radio waves . For certain index profiles, the lens will form perfect ...

  4. Lenses for SLR and DSLR cameras - Wikipedia

    en.wikipedia.org/wiki/Lenses_for_SLR_and_DSLR...

    A collection of lenses a DSLR owner might have: 50mm F1.4, 17-40mm F4, 100mm F2.8 Macro, 24-70mm F2.8, 70-200mm F2.8. This article details lenses for single-lens reflex and digital single-lens reflex cameras (SLRs and DSLRs respectively). The emphasis is on modern lenses for 35 mm film SLRs and for "full-frame" DSLRs with sensor sizes less than ...

  5. Twin-lens reflex camera - Wikipedia

    en.wikipedia.org/wiki/Twin-lens_reflex_camera

    Twin-lens reflex camera. The front of a Kinaflex twin-lens reflex camera. The focus rings of the two lenses are coupled with gears around their circumference in this simple design. A twin-lens reflex camera ( TLR) is a type of camera with two objective lenses of the same focal length. One of the lenses is the photographic objective or "taking ...

  6. Fisheye lens - Wikipedia

    en.wikipedia.org/wiki/Fisheye_lens

    Wood (1905), [1] Bond (1922), [2] and Hill (1924) [3] Construction. Var. elements in Var. groups. A fisheye lens is an ultra wide-angle lens that produces strong visual distortion intended to create a wide panoramic or hemispherical image. [4] [5] : 145 Fisheye lenses achieve extremely wide angles of view, well beyond any rectilinear lens.

  7. History of the single-lens reflex camera - Wikipedia

    en.wikipedia.org/wiki/History_of_the_single-lens...

    The Canon FD 55mm f/1.2 AL (Japan) of 1971 was the first rectilinear aspheric SLR lens; for FD mount Canon SLRs, and the Asahi SMC Takumar 15mm f/3.5 (Japan/West Germany) of 1975 was the first rectilinear aspheric wide angle SLR lens; for M42 screw mount Asahi Pentax SLRs (co-designed with Carl Zeiss [Oberkochen]). The use of modern precision ...

  8. Canon EF 35mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_35mm_lens

    The EF 35mm f/2 is a prosumer level lens. It is constructed with a plastic body and a metal mount. This lens features a distance window with infrared index. The maximum aperture of f/ 2 gives this lens the ability to create depth of field effects, but not to the same shallowness of the EF 35mm f/ 1.4L USM, while its five-blade diaphragm may ...

  9. Telecentric lens - Wikipedia

    en.wikipedia.org/wiki/Telecentric_lens

    A telecentric lens is a special optical lens (often an objective lens or a camera lens) that has its entrance or exit pupil, or both, at infinity. The size of images produced by a telecentric lens is insensitive to either the distance between an object being imaged and the lens, or the distance between the image plane and the lens, or both, and ...

  1. Ad

    related to: buy these instead of raycon x 3 2 0 8 0x35mm lens reviews