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  • Telecentric Lens Optimization for Machine Vision
    Industry and engineering go through many changed and require their machine vision systems to keep pace with the growing need for speed and accuracy in measurement, inspection and robotics. Today there are just as many camera lenses to choose from as camera types. Wide field, telecentric, CCTV
  • End Market Report: Energy Industry Application Review - Optical Molds Give ABCO Big Advantage in Solar Lenses - 06/09
    and military eye protection, military visors that display data, and security camera lenses. The company's latest market is solar panel lenses, primarily Fresnel lenses. These use ridges to focus sunlight on a
  • Step Motor Automates Innovative Camera
    but a continuous image on a single 66-in. roll of film. Trying the idea out by taking some photos of race cars, Graves first shot the entire roll of film with the lens covered so that no light hit the film. He then aimed his camera at a car, opened the shutter, and manually rewound the film back through
  • Hubble Discovers New Class of Gravitational Lens for Probing the Structure of the Cosmos
    , abundance of supermassive black holes, and even determining if the universe will expand forever or eventually collapse. The two gravitational lenses were discovered in about 100 fields of sky imaged by Hubble's Wide Field Planetary Camera 2 (WFPC 2). Because the combined area surveyed is about
  • Biggest 'Zoom Lens' in Space Takes Hubble Deeper into the Universe
    The Advanced Camera for Surveys aboard NASA's Hubble Space Telescope has used a natural "zoom lens " in space to boost its view of the distant universe. Besides offering an unprecedented and dramatic new view of the cosmos, the results promise to shed light on galaxy evolution and dark matter
  • Lens Distortion Correction and Registration of Visible and Thermal Infrared Imagery
    It is a good idea to take both visible and thermal IR images. Geometric resolution is unbalanced, and each image is sensitive to a different range of the electromagnetic spectrum. To acquire a visible image of a target with a thermal camera, you need to determine or describe the appearance
  • Biggest 'Zoom Lens' in Space Takes Hubble Deeper into the Universe
    A selection of cropped images from a NASA Hubble Space Telescope Advanced Camera for Surveys view of one of the most massive galaxy clusters known, called Abell 1689. These close-ups show "lensed " images of background galaxies that have been brightened and smeared by the gravitational bending
  • Micro moves
    -translation mechanism, typically a slide or flexure. The end of the Squiggle screw moves the lens mechanism with precise speed and micrometer resolution. The mechanism incorporates position sensing to produce controlled steps. The camera's CMOS image sensor, Hall-effect, optical, or potentiometer devices may do

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