Vortex Crossfire HD 10x42 BinocularsVortex Crossfire HD 10x42 Binoculars step up the optical quality over previous models. The addition of Vortex's HD Optical System, which is optimized to reduce chromatic aberration, improve light transmission, sharpness, and color fidelity. Field of view is now 325' at 1000 yds, and close focus has been reduced to 6'. The Crossfire HD binoculars now come with the Vortex GlassPak case and harness system. They are protected by rubber armoring, water and