The Vortex Crossfire HD 10x50 Binocular is a robust and economical choice for long range viewing! With Vortex's HD Optical System the picture provided by the Crossfire HD binoculars is crisp and clear, plus the fully multi-coated lenses allow for a bright picture even as the sun sets. The rubberized armor around the binoculars protects against shock damage and the included GlassPak case and harness keeps the binoculars secured to your person. Features of the Vortex Crossfire HD 10x50 BinocularGlassPak Bino HarnessHD Optical SystemNitrogen Gas PurgedFully Multi-Coated LensesRubber ArmorShockproofWaterproofPhase Correction Vortex Crossfire HD 10x50 Binocular CF-4313