Vortex Recon R/T Monocular - 15x50 - The Recon R/T is a unique, advanced tactical piece of equipment that is unlike any other in the field. The first truly compact, full-featured spotting scope in the Vortex line developed especially for field surveillance and range estimating. The versatile attachment clip secures the Recon R/T to any belt or strap for rapid deployment. This ranging reticle uses MRAD-based subtensions and includes silhouettes for quick ranging. The angular measurements allow you to calculate ranges when comparing the reticle to objects of known dimension. XD Lens Elements: Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images XR Fully Multi-Coated: Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces Phase Correction: Coating on roof prism models enhances resolution and contrast Roof Prism: Valued for greater durability and a more compact size Waterproof: O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments Fogproof: Argon gas purging prevents internal fogging over a wide range of temperatures ArmorTek: Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt Rubber Armor: Provides a secure, non-slip grip, and durable external protection Main Focus: Allows for sharp image acquisition at distances from as close as 12 feet to infinity Fine Focus: Allows for precise focus adjustment for fine image detail Utility Clip: The versatile, multi-position utility clip allows for multiple attachment points and quick attachment to pocket edges, equipment or vests