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2. 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 ...

3. 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.

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. 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.

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. 30 Fascinating Historical Photos That Offer A New Perspective ...

   www.aol.com/history-cool-kids-91-interesting...

   The Amateur Athletics Union even went as far as prohibiting women from running more than 1.5 miles (2.4 km) and the organizers of the Boston Marathon did not want to “take the liability” of ...

9. Red dot sight - Wikipedia

   en.wikipedia.org/wiki/Red_dot_sight

   Red dots for rifles typically have a smaller dot, often 0.6 to 0.8 mrad (2 to 3 MOA). When red dot sights started to appear at the practical shooting competition circuit in the 1990s, reticle sizes of up to 3, 4.5 or even 6 mrad (10, 15 or 20 MOA) were common in order to compensate for the lack of bright illumination. However, as red dot ...