• Thumbnail for Pentaprism
    A cutaway view of a Praktica L2 showing the pentaprism. In surveying a double pentaprism (two pentaprisms stacked on top of each other) and a plumb-bob...
    5 KB (508 words) - 13:45, 14 December 2022
  • Thumbnail for Single-lens reflex camera
    cameras permit upright and laterally correct viewing through use of a roof pentaprism situated in the optical path between the reflex mirror and viewfinder...
    28 KB (3,836 words) - 06:00, 13 October 2024
  • Thumbnail for History of the single-lens reflex camera
    lenses, and a pentaprism eye-level finder. Rectaflex (followed by Contax S) was the first SLR camera introducing the modern pentaprism eye-level finder...
    219 KB (31,471 words) - 21:14, 2 November 2024
  • Thumbnail for Pentax 6×7
    through-the-lens (TTL) metering pentaprism viewfinder included a knurled shutter dial ring with fitted case. The TTL-metered pentaprism is the same coverage as...
    30 KB (4,295 words) - 16:34, 26 May 2024
  • is derived from the combination "PENTaprism" and "contAX", in the same way that "Pentacon" was taken from "PENTAprism" and "CONtax". It's known that the...
    53 KB (6,676 words) - 13:23, 2 November 2024
  • Thumbnail for Edixa Reflex
    standard and the pentaprism was an optional extra. The retail price in the UK in 1960 was about £48. Type B, body back open Type B, with pentaprism finder Type...
    2 KB (310 words) - 18:27, 25 August 2024
  • Thumbnail for Star diagonal
    preferred over a prism. A prism diagonal uses a simple 90°-angle prism, pentaprism, or an Amici roof prism rather than a mirror to bend the optical path...
    6 KB (953 words) - 14:30, 27 June 2021
  • Thumbnail for Praktica
    Dresden Zeiss Ikon Kamerawerke and Pentagon (Greek for pentagon), because a pentaprism for SLR cameras developed for the first time in Dresden has this shape...
    10 KB (1,274 words) - 18:27, 25 August 2024
  • Thumbnail for History of the camera
    and was refined in 1948 with the Contax S, the first camera to use a pentaprism. Prior to this, all SLRs were equipped with waist-level focusing screens...
    59 KB (7,617 words) - 22:49, 10 November 2024
  • Thumbnail for Prism (optics)
    dispersion is zero in case of perpendicular input and output incidence) Roof pentaprism projects image sideways flipped along the other axis Dove prism projects...
    14 KB (1,727 words) - 15:01, 19 August 2024
  • Thumbnail for Tessina
    Accessories include: folding focusing hood/sports finder (standard fitment) 6x pentaprism (black and chrome) 8x magnifier viewer folding sports finder (no optics)...
    4 KB (401 words) - 18:28, 25 August 2024
  • Thumbnail for Fujifilm X-T10
    SLR cameras, including a fake pentaprism and large control dials on the top of the camera. Hidden inside the fake pentaprism hump is a built in flash, something...
    13 KB (1,204 words) - 10:33, 22 May 2024
  • Thumbnail for Twin-lens reflex camera
    waist-level finder can be replaced by an eye-level finder, using a roof pentaprism or pentamirror to correct the image while making it viewable through an...
    19 KB (2,676 words) - 18:28, 25 August 2024
  • shutter, interchangeable lenses and a pentaprism eye-level finder. It was the world's first SLR equipped with a pentaprism, with a final presentation in April...
    6 KB (877 words) - 00:50, 30 October 2024
  • Thumbnail for Optical square
    The optical square uses a pentaprism to reflect and refract a beam or sighting 90 degrees, it is used in pairs in surveying and in a singular block in...
    2 KB (182 words) - 11:57, 24 October 2024
  • Thumbnail for Contarex
    after the prominent light meter window above the lens, in front of the pentaprism.: 95  The camera was aimed at the high-end and professional markets; in...
    18 KB (1,757 words) - 18:27, 25 August 2024
  • Thumbnail for Canon EOS 5D
    identical or nearly so. Differences include: A much larger and brighter pentaprism viewfinder with approx. 96% coverage. This arrangement, borrowed from...
    7 KB (667 words) - 00:34, 6 October 2023
  • Thumbnail for Nikon F
    SP. The prototype model, in particular, was an SP with a mirror box, pentaprism and larger lens mount grafted on. The Nikon F revolutionized the photographic...
    14 KB (1,319 words) - 21:10, 5 November 2024
  • Thumbnail for Canon EOS 300
    SLRs of the time, the EOS 300 used a pentamirror viewfinder instead of a pentaprism, and had a polycarbonate body. The autofocus capabilities of this camera...
    4 KB (366 words) - 08:51, 2 April 2023
  • Thumbnail for Canon EOS 60D
    'semi-pro'/'prosumer' to 'enthusiast' due to the reduction in some features; however the pentaprism viewfinder and iconic rear control wheel remain, as does the top informational...
    10 KB (860 words) - 04:38, 13 November 2023
  • Thumbnail for Agfa Ambiflex
    leaf shutter. Its viewfinder unit could also be exchanged – there were pentaprism and waist-level finders. The Ambiflex was equipped with a coupled selenium...
    1,021 bytes (87 words) - 15:23, 1 August 2024
  • Thumbnail for Pentamirror
    viewfinder systems of various single-lens reflex cameras instead of the pentaprism. It is used to reverse again the laterally reversed image coming from...
    2 KB (143 words) - 20:06, 12 August 2024
  • Thumbnail for Canon EOS 6D
    000 s (and bulb) is the shutter speed range. 4.5 fps burst rate. Optical pentaprism viewfinder with approximately 97% coverage (0,71× enlargement) Clear View...
    12 KB (941 words) - 23:28, 7 May 2024
  • Thumbnail for Camera
    optical path to direct the light from the lens via a viewing screen and pentaprism to the eyepiece. At the time of exposure, the mirror is flipped up out...
    58 KB (6,842 words) - 12:06, 13 November 2024
  • Thumbnail for 2019–2020 Hong Kong protests
    complaints to RTHK against the satirical TV show Headliner and opinion program Pentaprism for "insulting the police" and "spreading hate speech" respectively. The...
    391 KB (33,173 words) - 00:49, 11 November 2024
  • Thumbnail for Pentax
    originally a registered trademark of the East German VEB Zeiss Ikon (from "Pentaprism" and "Contax") and acquired by the Asahi Optical company in 1957. Since...
    17 KB (1,760 words) - 11:22, 22 October 2024
  • Thumbnail for Nikon F3
    Film-Stop Back, Type-B Matte focusing screen, a modified Titanium DE-5 pentaprism with ISO-type accessory shoe and no eyepiece blind, rubber-covered waterproof...
    16 KB (2,222 words) - 17:03, 23 August 2024
  • Thumbnail for Canon EOS-1Ds Mark II
    system, and an option for manual focusing. Its viewfinder is a "fixed pentaprism". It also has a 2", TFT color LCD. Its dimensions are 156 mm in width...
    4 KB (339 words) - 01:55, 4 February 2024
  • Thumbnail for Narciss
    interchangeable pentaprism finders. The Narciss camera was initially designed for medical use, it included a Narciss with ordinary pentaprism finder and a...
    4 KB (383 words) - 18:32, 19 April 2024
  • Thumbnail for Nikkormat
    units. The "Nikkormat accessory shoe" must be screwed to the top of the pentaprism cover via the eyepiece first. Note that this shoe only mounts the flash...
    24 KB (3,322 words) - 02:06, 26 August 2024