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  2. Ballistic eyewear - Wikipedia

    en.wikipedia.org/wiki/Ballistic_eyewear

    Ballistic sunglasses or prescription eyeglasses must meet the same requirements. In brief, the U.S. military standard requires that ballistic eyewear must be able to withstand up to a 3.8 mm (.15 caliber) projectile at 195 m/s (640 ft/s)) for spectacles and 5.6 mm (.22 caliber) projectile at 168–171 m/s (550–560 ft/s) for goggles.

  3. Shooting glasses - Wikipedia

    en.wikipedia.org/wiki/Shooting_glasses

    In contrast to most other eye glasses, shooting glasses usually only have one lens that corrects the ametropia of the dominant eye, which is used for aiming.This lens is selected in such a way that the maximum visual acuity lies on the font sight line element near the muzzle of the (non-magnifying) open type or diopter and globe type match sight line elements to get three points positioned in ...

  4. Diopter sight - Wikipedia

    en.wikipedia.org/wiki/Diopter_sight

    Target shooting diopter of a 10 metre air rifle with a mounted semi-transparent occluder for the non-aiming eye. A diopter sight is an aperture sight component used to assist the aiming of ranged weapons, mainly firearms, airguns, and crossbows. Diopters function to precisely align the shooter's eye with the front sight and the target, while ...

  5. Reflector sight - Wikipedia

    en.wikipedia.org/wiki/Reflector_sight

    A 5 moa (1.5 milliradian) dot is small enough not to obscure most targets, and large enough to quickly acquire a proper "sight picture". For many types of action shooting , a larger dot has traditionally been preferred; 7, 10, 15 or even 20 moa (2, 3, 4.5 or 6 mil) have been used; often these will be combined with horizontal and/or vertical ...

  6. I tried those Pair Eyewear glasses with the magnetic ... - AOL

    www.aol.com/lifestyle/tried-those-pair-eyewear...

    Pair offers only about 10 frame styles each for men and women, with five available for kids. But you can choose from dozens of top options, everything from solid colors to holiday themes to "sun ...

  7. List of United States Marine Corps acronyms and expressions

    en.wikipedia.org/wiki/List_of_United_States...

    BCGs or BCs – Birth Control Goggles or Boot Camp Glasses: military issue glasses worn at recruit training; so called because they make the wearer too ugly to engage in sexual relations. See also portholes & RPGs. BCGs. Beer Garden – Social area permitting the consumption of alcohol etc.; may contain barbecue or picnic facilities.

  8. Accurizing - Wikipedia

    en.wikipedia.org/wiki/Accurizing

    Comparison of milliradian (mil) and minute of arc (moa).. Since adjusting the point of impact to match the point of aim is relatively simple with any type of adjustable sights, the primary goal of accurizing is to increase the precision of the firearm, which is generally measured by looking at the dispersion of a number of shots fired at the same point of aim.

  9. Aviator sunglasses - Wikipedia

    en.wikipedia.org/wiki/Aviator_sunglasses

    The AN6531 Comfort Cable aviator sunglasses frame kept being issued by the U.S. military as No. MIL-G-6250 glasses after World War II with different lenses as Type F-2 (arctic) and Type G-2 aviator sunglasses but fitted with darker lenses until their substitute the Type HGU-4/P aviator sunglasses became available in the late 1950s. [6] [7] [8]