Steiner Nighthunter 8x56mm BaK-4 Porro Prism Binoculars with Sports Auto Focus, 2070

Product Description

The Steiner Nighthunter 8x56mm binoculars are purpose-built for low-light performance, delivering over 96% light transmission through Steiner’s Diamond Night lens coatings and oversized 56mm objectives. Set the Sports-Auto-Focus to your eyesight once and enjoy razor‑sharp views from 20 meters to infinity without chasing focus. A rugged Makrolon chassis with NBR rubber armoring, waterproofing to 5 meters, and nitrogen filling for fogproof performance make these binoculars ready for the harshest field conditions. Contoured ErgoFlex eyecups block peripheral light and glare for a comfortable, crystal‑clear view, and BaK‑4 Porro prisms provide immersive depth perception with a wide 135‑meter field of view.

Product Highlights

• Exceptional brightness: 96%+ light transmission with Diamond Night lens coatings and 56mm objectives
• Sports‑Auto‑Focus: set once for tack‑sharp images from 20 m to infinity
• Rugged build: Makrolon housing with NBR rubber armor; waterproof to 5 m and nitrogen‑purged fogproof
• ErgoFlex eyecups block stray light for greater contrast and comfort during extended glassing
• BaK‑4 Porro prisms deliver vivid clarity, 3D depth perception, and a wide 135 m field of view

Specs

• Brand: Steiner
• Model/Series: Nighthunter
• MPN: 2070
• UPC: 840229102563
• Magnification: 8x
• Objective Lens Diameter: 56 mm
• Prism System/Material: Porro, BaK‑4
• Focus System: Sports‑Auto‑Focus
• Exit Pupil: 7 mm
• Field of View: 135 m (wide)
• Close Focus: 66 ft (approx.)
• Interpupillary Distance: 56–74 mm
• Diopter Adjustment Range: ±5 dpt
• Twilight Factor: 21.2
• Dimensions (L x W x H): 12 x 7.8 x 8.3 in (approx.)
• Weight: 38.45 oz
• Waterproof: submersible to 5 m; Fogproof: nitrogen filled
• Armor/Finish: NBR rubber armoring; color: Matte Green
• Included Accessories: objective lens covers, rain guard, cleaning cloth, shoulder strap, neck strap, and case

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