Products/Services for Cassegrain Lens System

  • Telescopes-Image
    Telescopes - (59 companies)
    Telescopes are lens assemblies designed to magnify and view distant objects. Telescopes Information. Telescopes are lens assemblies that are designed to magnify and view distant objects. Telescopes include small devices such as spotting scopes...
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    Telescope Repair Services - (4 companies)
    Telescope repair services refurbish telescopes to their original operating specifications. Telescope repair providers service, refurbish and maintain optical telescopes. Typical repairs for telescopes are to incoming lenses that have suffered from...
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  • Lens Holders-Image
    Lens Holders - (27 companies)
    Lens holders are used to stabilize and maintain the position of all the optical components of a lens assembly. Lens holders are used to stabilize and maintain the position of all of the optical components in a lens assembly. The primary purpose...
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  • Optical Lens Assemblies-Image
    Optical Lens Assemblies - (144 companies)
    Optical Lens Assemblies Information. Optical lens assemblies are composed of a number of lenses mounted for a particular imaging function. These can include telecentric lenses, collimators, beam expanders, zoom lenses, etc. Optical lens assemblies...
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  • Antennas-Image
    Antennas - (1100 companies)
    ...such as corner, parabolic, dish, plane or patch, front fed parabolic, Cassegrain (rear fed parabolic), and spherical reflectors. Image credit: DirecTV. Horn antennas feature tapered waveguides to direct RF with a beam. They are most common for directing...
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    Reflectors - (52 companies)
    Parabolic reflectors and ellipsoidal reflectors are used to maximize illumination or projection system output by increasing light source efficiency.
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    Gradient Index Lenses - (12 companies)
    Gradient index (GRIN) lenses focus light through a precisely controlled radial variation of the lens material's index of refraction from the optical axis to the edge of the lens. How to Select Gradient Index Lenses. Image credit: Thorlabs | Grintech...
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    Fresnel Lenses - (35 companies)
    Fresnel lenses resemble a planoconvex or planoconcave lens that is cut into narrow rings and flattened. If the steps are narrow, the surface of each step is generally made conical and not spherical. How to Select Fresnel Lenses. Image credit: Knight...
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    Zoom Lenses - (20 companies)
    Description. Zoom lenses are mechanical assemblies of lens elements that provide the ability to vary focal length and angle of view. In optical systems, shorter focal lengths provide greater optical power. In telescopy and photography, longer focal...
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    Cylindrical Lenses - (136 companies)
    Cylindrical lens have at least one surface that is formed in the shape of a cylinder. Cylindrical lenses are used to correct astigmatism in the eye, and, in rangefinders, to produce astigmatism, stretching a point of light into a line. This area...
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