The high quality HD ED optical system of Alpen's new Rainier binoculars #75 and #77 maximizes light transmission to bring every last ray of light to your eyes even in the worst flat-light, dawn or dusk conditions.  HD (High-definition) ED (Extra-low Dispersion Glass) delivers the best premium-performance at a level of clarity never before achieved.

All Rainier binoculars push the limits of optical perfection.  All optical components receive our exclusive UBX™ multi-layer coating for maximum light transmission.  The extra large BAK-4 prisms are coated with over 60 layers of Alpen's SHR™ metallic and PXA™ phase coatings to deliver the best brightness, clarity and color fidelity.  Large diameter lens elements throughout the optical system provide enhanced field of view and eye relief for easy viewing.

Rainier binoculars are extremely rugged, yet precise optical instruments providing years of reliable performance.

Alpen Rainier™ Features:

• Models 75 and 77 with HD — High definition, ED — Extra low dispersion optical system
• Extra large BAK-4 prisms with SHR™ metallic coating, PXA™ phase coating, and UBX™ multi-coating provide exquisite optical performance
• Magnesium body construction provides strength and shock resistant durability
• A-lock™ diopter locking system keeps adjustment settings in place
• Long eye relief for full field viewing when wearing eye glasses
• 1.5 turns from close focus to infinity for quick image focus
• Textured body covering for a sure yet comfortable grip
• O-ring sealed and nitrogen filled for water proof and fog proof security
• Quick release neck strap system and premium quality carrying case
• Alpen's lifetime warranty

Specifications

Magnification:  10x
Objective Lens Diameter:  42mm
Focus System:  Center
Prism Type:  Roof
Field of View (ft. @ 1000 yds.):  341
Exit Pupil:  4.2mm
Eye Relief:  16mm
Close Focus (feet):  6.5
Net Weight:  29.4 oz.
Prism Material:  BAK-4
Waterproof / Fogproof:  YES
Eye Cups:  Multi-Position Twistlock
Type of Neckstrap:  Extra Wide
Tripod Adaptable:  YES
Type of Case:  Premium