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  2. Holosun - Wikipedia

    en.wikipedia.org/wiki/Holosun

    The quality of Holosun products although originally poor improved significantly through the 2010s to the point where it began to rival more established manufacturers. [ 1 ] One of Holosun's innovations is “shake awake” where a motion sensor in the optic will power on the optic when it senses motion and power down when it does not sense ...

  3. Holographic weapon sight - Wikipedia

    en.wikipedia.org/wiki/Holographic_weapon_sight

    The aiming reticle can be an infinitely small dot whose perceived size is given by the acuity of the eye. For someone with 20/20 vision, it is about 1 minute of arc (0.3 mrad). [citation needed] Holographic sights can be paired with "red dot magnifiers" to better engage farther targets.

  4. Red dot sight - Wikipedia

    en.wikipedia.org/wiki/Red_dot_sight

    A red dot sight is a common classification [1] for a non-magnifying reflector (or reflex) sight that provides an illuminated red dot to the user as a point of aim. A standard design uses a red light-emitting diode (LED) at the focus of collimating optics , which generates a dot-style illuminated reticle that stays in alignment with the firearm ...

  5. Milliradian - Wikipedia

    en.wikipedia.org/wiki/Milliradian

    A milliradian (SI-symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). ). Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel (up, down, left, or

  6. Metric typographic units - Wikipedia

    en.wikipedia.org/wiki/Metric_typographic_units

    Diagram of font metrics showing where letters and symbols would be placed relative to each other. The letters would change size according to the font type, typographic unit and dimension used. Metric typographic units have been devised and proposed several times to overcome the various traditional point systems.

  7. Aimpoint - Wikipedia

    en.wikipedia.org/wiki/Aimpoint

    Aimpoint is a manufacturing company founded in 1974. [1] Their primary products are reflector (or reflex) sights, specifically the red dot sight sub-type. In 1975 they introduced their first product, [2] the "Aimpoint Electronic" red dot sight, based on a design by Helsingborg engineer John Arne Ingemund Ekstrand. [3]