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The Bushnell®
This sight can be easily used with both eyes open (eye relief is unlimited), increasing the shooter's awareness of the surrounding environment and providing faster target acquisition. There is no need for centering, due to the parallax free design in which the dot follows the movement of the user’s eye while remaining fixed on the target. The
The model# AR731306/AR731306C versions of the
About Red Dot Lens Positioning
All red dot sights have an objective lens at the front of the unit that is spherical in shape. However, unlike a conventional riflescope with all lenses mounted perpendicular (at a 90 degree angle) to the axis of the tube, the objective lens in a red dot sight is positioned off axis and appears to be tilted when looking at the sight (see below). This angle of the front lens allows the light generated by the battery powered LED light source inside the unit to be reflected back into the sight. The reflected light becomes the “dot” or aiming reference that the shooter sees when a red dot sight is switched on. This engineered “bending” of light is what makes today’s
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