I finally had a chance to sight in my Vortex Crossfire ii on my Ruger American Predator chambered in 6.5 Creedmoor. This gun is light weight and perfect for hunting or backpacking. The Vortex is clear ...

Selecting the best elk rifles is like choosing the world’s most beautiful people. It’s subjective, for one. But also, the “best” may not be practical for you. A Hollywood star might set your heart a ...

Vortex Optics released two new version of their budget friendly Crossfire Red Dots. The black housing is now available with a green red dot and the they also added a tan body Crossfire. The rest of th ...

Abstract: We study magneto-optical circular dichroism in type-II hyperbolic nanoantennas. Experiments and numerical simulations reveal a broadband response, which we ascribe to the excitation of ...

EFFECTIVE POWER THE RELATIONSHIP OF EFFECTIVE POWER TO VERTEX POWER COMBINATION OF TWO THICK LENS THE GULLSTRAND SCHEMATIC EYE PROCEDURE FOR CALCULATING CARDINAL POINTS OF THE SCHEMATIC EYE PURKINJE ...