The best telescope unlocks the wonders of the universe right from your backyard and beyond. "There are telescopes tailored to all sorts of celestial objects. The general rule of thumb being a ...

Vortex Viper HD 20-60x80 Angled Spotting Scope, $399 (save $200) Vortex Diamondback 20-60x85 HD Angled Spotting Scope, $399 (save $36) Vortex Diamondback 20-60x80 Straight Spotting Scope ...

Nonlinear optics is the study of how intense light interacts with matter. The optical response of a material usually scales linearly with the amplitude of the electric field. At high powers ...

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Not long ago, thermal scopes were superfluous gadgets. Now, they’re essential kit for serious predator and hog hunters. This collection of thermal sights includes military-grade scopes that cost more ...

A Marine with the 15th Marine Expeditionary Unit fires a Mk22 Mod 0 in the Philippines, October 2024. (Cpl. Joseph Helms/Marine Corps) The Marine Corps has officially hit full operational ...

The Marine Corps' newest sniper rifle is ready for prime time. Marine Corps Systems Command announced Tuesday that it has reached full operational capability for the service's new Mark 22 Advanced ...