Porro prism performance in a mid-size, wide-angle design, Raptor binoculars offer bright, crisp images with excellent color fidelity, even in low-light conditions. The design accommodates a wide range of interpupillary distances to fit everyone in the family.
Key Features:

• Fully Multi-Coated. Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces.
• Waterproof. O-ring seals prevent moisture, dust and debris from penetrating the binocular for reliable performance in all environments.
• Fogproof. Nitrogen gas purging prevents internal fogging over a wide range of temperatures.
• Porro Prism. Valued for a rich depth of field, wide field of view, and three-dimensional image.
• Adjustable Eyecups. Twist up and down for comfortable viewing with or without eyeglasses.
• Center Focus Wheel. Adjusts the focus of both binocular barrels at the same time.
• Diopter. Adjusts for differences in a user's eyes. Located on right eyepiece.
• Protection. Provides a secure, non-slip grip, and durable external protection.

Vortex Optics Raptor 10x32 R310 Porro Prism Binocular Specifications:

• Magnification: 10x
• Objective Lens Diameter: 32 mm
• Eye Relief: 13 mm
• Weight: 17.6 oz
• Height: 4.5 inches
• Interpupillary Distance: 50-70 mm
• Close Focus: 15 feet
• Angular Field of View: 6.3 degrees
• Exit Pupil: 3.2 mm
• Linear Field of View: 339 feet/1000 yards
• Width: 5.7 inches