Check the listing for details. Vortex Diamondback Binoculars 10x50 DB-206. Condition: New. Listed at 249.00 USD. Product Description DIAMONDBACK® CLASSIC 10X50 ROOF PRISM BINOCULARSuperior quality, high-performance hunting optics can find their way around your neck for a surprisingly affordable price. Grasp the light-piercing power of the 10x50 Diamondback® as you close in on details missed by others at this time of day. Taking its lead from the Diamondback rattlesnake, this rugged binocular is striking in how well it detects life in low light. Huge field-of-view—the largest in its class—with enhanced fully multi-coated optics, phase-corrected prisms, waterproof and fogproof construction, soft tapered eyecups, and rugged rubber armor. It's all there. Now you can use "wow!" and "thank you" in the same sentence. OPTICAL FEATURESFully Multi-CoatedIncrease light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.Phase CorrectionCoating on roof prism models enhances resolution and contrast.CONSTRUCTION FEATURESRoof PrismValued for greater durability and a more compact size.WaterproofO-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments.FogproofArgon gas purging prevents internal fogging over a wide range of temperatures.Rubber ArmorProvides a secure, non-slip grip, and durable external protection.CONVENIENCE FEATURESAdjustable EyecupsTwist up and down for comfortable viewing with or without eyeglasses.Center Focus WheelAdjusts the focus of both binocular barrels at the same time.DiopterAdjusts for differences in a user's eyes. Located on right eyepiece.Tripod AdaptableCompatible with a tripod adapter, allowing use on a tripod or car window mount.