An optical illusion showing an office scene puzzled users on Facebook as they struggled to count how many people were ...

The M150 is an Advanced Combat Optical Gun sight (ACOG) designed for the US military's M4 and M16 weapon system. It incorporates dual illumination technology using a combination of fiber optics ...

In turkey hunting, the optic you put on your beard buster—whether a red dot sight or a standard fixed or variable scope—matters. And if you don't want an optic sitting atop your shotgun ...

TASS/. The Zverev Krasnogorsk Factory outside Moscow (part of the Shvabe Holding within the state tech corporation Rostec) has developed state-of-the-art Zenit PO 3-12x50 optical sights for large ...

Glaucoma is often called the “silent thief of sight,” and for good reason. It’s a leading cause of irreversible blindness ...