8x42 10x42 10x42 HD

Key Features ：
● BAK4 Roof Prism Design
● High Definition Optical System
● Nitrogen Filled, Waterproof & Fogproof
● Fully Multi-Coated Optics
● Twist-Up Rubber Eyecups
● Tripod-Mountable with Optional Adapter
Overview ：
The10x42mm HD renders views with minimal chromatic aberration, exceptional color fidelity, edge-to-edge sharpness, and optimal light transmission through the use of high definition glass, an index-matched lens configuration, Fully multi-coated lens coatings, phase-correcting roof prisms.  The housing is argon filled and sealed with O-rings to ensure reliable and durable protection against dust, debris, fog, and water.  They are rubber armored for non-slip and durable protection, and is equipped with a large focusing knob that is easy to use even while wearing gloves.  Twist-down eyecups accommodate users who wear glasses.  For hands-free use or the steadiest view.
Optical Performance:
● 10x magnification
● 42mm objective lenses
● Compact BAK-4 roof prisms
● Fully multi-coated lenses increase transmission, clarity, and brightness
● Dielectric-coated, phase-correcting roof prisms improve true color, contrast, and transmission

● 330' field of view at 1000 yards
Use and Handling ：
● Open bridge configuration reduces weight
● Bridge design provides more gripping surface for steadier handling
● Right-eye dioptric correction
● Twist-up eyecups for comfortable use with or without eyewear
● 16.0mm eye relief
● 4.2 mm exit pupil
Construction Details ：
● O-ring sealed housing for waterproof and fogproof performance
● Matte-black rubber armor protects against bumps and impacts ● Includes case and neck strap
Performance ：