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  2. Stimpmeter - Wikipedia

    en.wikipedia.org/wiki/Stimpmeter

    The notch may be a hole completely through the bar or just a depression in it. The ball is pulled out of the notch by gravity when the device is slowly raised to an angle of about 20°, rolling onto the green at a repeatable velocity of 6.00 ft/s (1.83 m/s). [6] The distance travelled by the ball in feet is the 'speed' of the putting green. Six ...

  3. Near visual acuity - Wikipedia

    en.wikipedia.org/wiki/Near_visual_acuity

    Near visual acuity or near vision is a measure of how clearly a person can see nearby small objects or letters.Visual acuity in general usually refers clarity of distance vision, and is measured using eye charts like Snellen chart, LogMAR chart etc. Near vision is usually measured and recorded using a printed hand-held card containing different sized paragraphs, words, letters or symbols.

  4. Aimpoint CompM2 - Wikipedia

    en.wikipedia.org/wiki/Aimpoint_CompM2

    The CompM2 is a battery-powered, non-magnifying red dot type of reflex sight for firearms manufactured by Aimpoint AB. It was first introduced in the U.S. Armed Forces in 2000, [1] designated as the M68 Close Combat Optic (M68 CCO; NSN: 1240-01-411-1265). It is also known as the M68 Aimpoint and is designed to meet United States military standards.

  5. Red dot sight - Wikipedia

    en.wikipedia.org/wiki/Red_dot_sight

    Also used on Aimpoint Acro C-2 and P-2, as well as Steiner MPS, Viridian RFX 45, CH Duty, Lucid Optics E7 [18] and Vector Frenzy Plus. Aimpoint Micro standard First introduced in 2007 [19] on the small tube sight variants of Aimpoint, but has also been used extensively by other manufacturers as well. Popular on rifles and shotguns, but not on ...

  6. MNREAD acuity chart - Wikipedia

    en.wikipedia.org/wiki/MNREAD_acuity_chart

    The MNREAD acuity chart or Minnesota low vision reading chart is a text based chart used to measure near visual acuity in people with normal or low vision. [1] It can also be used to measure maximum reading speed, critical print size and the reading accessibility index of a person. [2] Digital and printed types of charts are available. [3]

  7. Aimpoint - Wikipedia

    en.wikipedia.org/wiki/Aimpoint

    Aimpoint Acro rail: Launched in 2019 together with the sights Aimpoint Acro P-1 and C-1. [21] This is a mount without screws acting directly between the sight and the mount, and is slim enough (approximately 15 mm wide and 2 mm tall) so that it can be milled directly into most pistol slides.

  8. Eye chart - Wikipedia

    en.wikipedia.org/wiki/Eye_chart

    An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [ 1 ] Eye charts are often used by health care professionals, such as optometrists , physicians and nurses , to screen persons for vision impairment .

  9. Reflector sight - Wikipedia

    en.wikipedia.org/wiki/Reflector_sight

    Later types included the Qwik-Point (1970) and the Thompson Insta-Sight. Both were beam-splitter type reflector sights that used ambient light: illuminating a green crosshair in the Insta-Sight, and a red plastic rod "light pipe" that produced a red aiming spot reticle in the Qwik-Point. [26] A view through a Tasco ProPoint red dot sight