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  2. Petzval lens - Wikipedia

    en.wikipedia.org/wiki/Petzval_lens

    The Petzval objective, or Petzval lens, is the first photographic portrait objective lens (with a 160 mm focal length) in the history of photography. [1] It was developed by the Slovak mathematics professor Joseph Petzval in 1840 in Vienna , [ 2 ] with technical advice provided by Peter Wilhelm Friedrich von Voigtländer [ de ] .

  3. Petzval field curvature - Wikipedia

    en.wikipedia.org/wiki/Petzval_field_curvature

    Field curvature: the image "plane" (the arc) deviates from a flat surface (the vertical line). Petzval field curvature, named for Joseph Petzval, [1] describes the optical aberration in which a flat object normal to the optical axis (or a non-flat object past the hyperfocal distance) cannot be brought properly into focus on a flat image plane.

  4. List of digital camera brands - Wikipedia

    en.wikipedia.org/wiki/List_of_digital_camera_brands

    Instant cameras and printers manufactured by Polaroid B.V. Praktica: Germany: Compact digital cameras PTZOptics: USA: PTZ cameras, zoom cameras, camera controllers, HIVE Cloud Controller, and accessories Ricoh: Japan: Caplio and other compact digital cameras and the modular GXR MILC: Rollei: Germany: Compact digital cameras Samsung: South Korea

  5. Image stabilization - Wikipedia

    en.wikipedia.org/wiki/Image_stabilization

    Image stabilization (IS) is a family of techniques that reduce blurring associated with the motion of a camera or other imaging device during exposure.. Generally, it compensates for pan and tilt (angular movement, equivalent to yaw and pitch) of the imaging device, though electronic image stabilization can also compensate for rotation about the optical axis (). [1]

  6. Lenses for SLR and DSLR cameras - Wikipedia

    en.wikipedia.org/.../Lenses_for_SLR_and_DSLR_cameras

    The M42 lens mount is a screw thread mounting standard for attaching lenses to 35 mm cameras, primarily single-lens reflex models. It is more accurately known as the M42 × 1 mm standard, which means that it is a metric screw thread of 42 mm diameter and 1 mm thread pitch.

  7. List of large sensor fixed-lens cameras - Wikipedia

    en.wikipedia.org/wiki/List_of_large_sensor_fixed...

    Fujifilm FinePix X100. This is a list of large sensor fixed-lens cameras, also known as premium compact cameras or high-end point-and-shoot cameras.These are digital cameras with a non-interchangeable lens and a 1.0‑type (“1‑inch”) image sensor or larger, excluding smartphones and camcorders.

  8. Petzl - Wikipedia

    en.wikipedia.org/wiki/Petzl

    As of 2001, Petzl had approximately 600 products. [4] Later in 2002, the QUARK ERGO was developed and designed to be the first leashless, angled ice axe. [2] In 2004, Petzl's first fall arrest device for work at height was developed. In 2006, the Petzl corporation introduced new general director Pascal Bonino, and the Petzl Foundation was also ...

  9. Petri Camera - Wikipedia

    en.wikipedia.org/wiki/Petri_Camera

    The Petri (ペトリ) Camera Company was an optical company and manufacturer of cameras in Japan. It was founded in 1907. It was founded in 1907. Prior to World War II , it was known as Kuribayashi Shashin Kōgyō or Kuribayashi Camera Industry, inc. Japan (the company name means "Chestnut Grove").