The 50mm Objective Lens in the Vortex Razor HD binoculars lets in the light, and the premium HD extra-low dispersion glass insures a crisp, clear image. When you need to be "up close and personal," nothing beats the Razor HD 10x50. Features APO System: Index-matched lenses correct color across the entire visual spectrum. HD Lens Elements: Premium extra-low dispersion glass delivers the ultimate in resolution and color fidelity, resulting in high-definition images. XR™ Plus Fully Multi-Coated: Ultimate anti-reflective coatings on all air-to-glass surfaces provide maximum light transmission for peak clarity and the pinnacle of low-light performance. Dielectric Coating: Multi-layer prism coatings provide bright, clear, color-accurate images. Plasma Tech: Cutting edge coating application process provides unparalleled coating durability and performance Phase Correction: Coating on roof prism models enhances resolution and contrast.
