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  2. Telescopic sight - Wikipedia

    en.wikipedia.org/wiki/Telescopic_sight

    For example, with a typical Leupold brand 16 minute of angle (MOA) duplex reticle (similar to image B) on a fixed-power telescopic sight, the distance from post to post, between the heavier lines of the reticle spanning the center of the sight picture, is approximately 32 inches (810 millimeters) at 200 yards (180 m), or, equivalently ...

  3. Leupold & Stevens - Wikipedia

    en.wikipedia.org/wiki/Leupold_&_Stevens

    Leupold & Stevens, Inc. is an American manufacturer of telescopic sights, red dot sights, binoculars, rangefinders, spotting scopes, and eyewear located in Beaverton, Oregon, United States. The company, started in 1907, is on its fifth generation of family ownership.

  4. Red dot sight - Wikipedia

    en.wikipedia.org/wiki/Red_dot_sight

    The LED as a reticle is an innovation that greatly improves the reliability and general usefulness of the sight. There is no need for other optical elements to focus light behind a reticle. The LED itself is solid state and consumes very little power, allowing battery powered sights to run for hundreds and even tens of thousands of hours. Using ...

  5. Scope mount - Wikipedia

    en.wikipedia.org/wiki/Scope_mount

    A Leupold telescopic sight mounted on a dovetailed rifle receiver via two scope rings From left: A sketch of a cross section on a Zeiss rail and ring mount, both with a Picatinny rail interface. Scope mounts are rigid implements used to attach (typically) a telescopic sight or other types of optical sights onto a firearm .

  6. Reflector sight - Wikipedia

    en.wikipedia.org/wiki/Reflector_sight

    Using an LED as a reticle is an innovation that greatly improves the reliability and general usefulness of the sight: there is no need for other optical elements to focus light behind a reticle; the mirror can use a dichroic coating to reflect just the red spectrum, passing through most other light; and the LED itself is solid state and ...

  7. Gyro gunsight - Wikipedia

    en.wikipedia.org/wiki/Gyro_gunsight

    To set range the dial adjusts the reticle size to match target wingspan. Currently set to the Junkers Ju 88 , it ranged in size from the large Fw 200 Condor to the small Messerschmitt Bf 109 . A gyro gunsight (G.G.S.) is a modification of the non-magnifying reflector sight in which target lead (the amount of aim-off in front of a moving target ...

  8. Zeta Reticuli - Wikipedia

    en.wikipedia.org/wiki/Zeta_Reticuli

    Zeta Reticuli, Latinized from ζ Reticuli, is a wide binary star system in the southern constellation of Reticulum.From the southern hemisphere the pair can be seen with the naked eye as a double star in very dark skies.

  9. Barrett MRAD - Wikipedia

    en.wikipedia.org/wiki/Barrett_MRAD

    The MK 22 PSR will have conversion kits for .338 Norma Magnum, .300 Norma Magnum, and 7.62×51mm NATO. However, unlike the MK 22 ASR, it is issued with a Leupold Mark 5HD 5-25x56mm scope. The Army plans for the MK 22 to replace the currently in use M107 and M2010 sniper rifles.