Nikon 7x50 WX IF Binocular (Black)

Nikon 7x50 WX IF Binocular (Black)

Nikon 7x50 WX IF Binocular (Black)

B&H # NI7X50WXIF MFR # 16033
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Product Highlights

  • Extra Low-Dispersion (ED) Glass
  • Lead/Arsenic-Free Lens and Prism Glass
  • Phase-Corrected Abbe-Koenig Prisms
  • Broadband Fully Multi-Coated Optics
  • Ultra-Wide 67° Angle of View
  • Nitrogen-Filled, Water and Fogproof
  • Lightweight Magnesium Alloy Chassis
  • Helical Individual Focusing Eyepieces
  • Custom Tripod Mount Adapter
  • Six-Position Click-Stop Twist-Up Eyecups
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Magnification: 7x


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  • 1Description

The culmination of a century of experience, Nikon's 7x50 WX IF Binocular brings together a wide array of technologies and materials to produce an optic that is engineered to provide outstanding performance for astronomy, birding, or nature watching.

Optically, the WX utilizes phase-corrected Abbe-Koenig prisms, extra low-dispersion lead and arsenic-free glass, and broadband fully multi-coated optics that work together to correct a wide variety of issues that are intrinsic to roof prism binoculars and produce the richest and most accurate views possible. Views through the WX IF are free from chromatic aberrations and astigmatism, colors are rendered accurately, and brightness, sharpness, and clarity are greatly improved. Added to this impressive performance is a field-flattener lens system which eliminates distortion across the entire ultra-wide field of view — especially at the edges. Its moderate magnification provides a generous field of view and wide exit pupil that brings subjects in close for detailed observations while mitigating the distracting hand-shake common with higher-power optics.

To ensure the sharpest views possible, the WX is built with a helical focusing mechanism on each individually-focusing eyepiece. Eschewing the conventional center focusing system not only allows precise focusing for any user, but it also ensures the integrity and longevity of its waterproofing. The helical mechanism moves the eyepieces forward and back without rotating the eyepiece lenses, maintaining a centered optical axis that enables even more clarity and sharpness. An exceptionally wide exit pupil completely covers fully dilated pupils in dark or low-light conditions, while the long eye relief and six-position twist-up eyecups ensure that even while sporting eyewear, users can enjoy the exceptionally wide field of view without vignetting in all lighting conditions for an immersive observational experience.

Thoughtfully designed for comfort and durability, the chassis is made of a lightweight and impact-resistant magnesium alloy that is wrapped with a slip-resistant protective rubber armor. Ergonomically positioned textured palm pads improve grip and in-hand comfort. To withstand extreme environmental conditions, the optical tubes are nitrogen-filled and O-ring sealed to be waterproof and resistant to internal fogging. For a more comfortable fit in the hand, Nikon employs the Abbe-Koenig prism configuration, which allows for slimmer optical tubes versus conventional roof prisms — without sacrificing performance. The elongated prisms also distribute the weight more evenly to give it a comfortable balance. Weighing in at a hefty 5.3 pounds, some users may experience fatigue while holding the WX during long observation sessions, so Nikon includes a tripod mounting adapter that was specifically designed for this chassis, and attaches to tripods and heads via a 1/4"-20 mount. For safe transport and storage the WX comes with a hard carrying case outfitted with a custom-cut foam lining to hold the binocular and accessories.

Optical Performance
  • Moderate 7x power magnifies subjects while preserving a wide field of view and exit pupil
  • Large 50mm objective lenses boost light-gathering ability for improved performance in challenging conditions, such as during the pre-dawn and late evening hours
  • Compact Abbe-Koenig roof prism system
  • Phase-correcting prism coatings compensates for internal phase-shifts, improving resolution and contrast
  • Extra low-dispersion (ED) glass corrects chromatic aberrations that causes color fringing, and improves clarity, contrast, and resolution
  • Broadband fully multi-coated optics improve light transmission, color rendition, contrast, and clarity across the entire visual spectrum
  • Field-flattener lens system eliminates curvature distortion at the edges of the field of view
  • Eyepiece lenses are engineered to eliminate astigmatism and comas to improve sharpness, clarity, and contrast
  • Ultra-wide 67° apparent angle of view
  • 563' field of view at 1000 yards
Use and Handling
  • Closed-bridge configuration
  • Abbe-Koenig prisms allow for a slimmer optical tube and greater in-hand balance without sacrificing performance
  • Individual eyepiece focusing enables ultra-precise focusing for any user, with etched indicators for repeatability
  • Helical focusing system allows eyepieces to move forward and back without rotating, ensuring the optical axis does not change to improve focusing sharpness
  • -6 / +4 dioptric correction allows users to compensate for individual optical prescriptions for sharper views
  • Broad 58-78mm interpupillary distance adjustment range enables easy use by a wide variety of users
  • Twist-up, six-position click-stop rubber eyecups for comfortable use with or without eyewear
  • 55mm objective filter threads (P=0.75) allow the use of optional filters, such as ND or polarizing, to enhance the viewing experience
  • Long 17.7mm eye relief allows users with eyewear to see the entire field of view without vignetting
  • Wide 7.1mm exit pupil ensures complete coverage when pupils are fully dilated in low-light conditions
Construction Details
  • Environmentally-friendly lead and arsenic-free lens and prism glass
  • Lightweight and durable magnesium alloy chassis
  • Nitrogen-filled and O-ring sealed to be waterproof and resistant to internal fogging when moving between extreme temperature and environmental conditions
  • Rubber armor protects against impacts while providing a slip-resistant grip
  • Textured palm-pads improve grip and comfort
  • Wide -4 to 140°F (-20 to 60°C) operating temperature range
  • Hard carrying case with custom-cut foam lining holds binocular and accessories
  • Includes purpose-built tripod adapter for hands-free use to eliminate arm fatigue and improved stability
  • Weight: 5.3 pounds
UPC: 018208160334
In the Box
Nikon 7x50 WX IF Binocular (Black)
  • Neck Strap
  • Hard Carrying Case
  • TRA-4 Tripod Adapter
  • One-Piece Ocular Rainguard
  • 2 x Objective Lens Caps
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description
    Prism Type Roof
    Magnification 7x
    Objective Lens Diameter 50mm
    Angle of View 10.7° (actual)
    Field of View 561.7' @ 1000 yd / 187.2 m @ 1000 m
    Minimum Focus Distance 40.4' / 12.3 m
    Exit Pupil Diameter 7.1 mm
    Eye Relief 17.7 mm
    Interpupillary Adjustment 58.0 - 78.0 mm / 2.3 - 3.1"
    Dioptric Correction -6 / +4
    Focus Type Individual
    Tripod Mount Yes (Adapter Included)
    Dimensions 10.7 x 6.7 x 3.1" / 27.2 x 17.1 x 8.0 cm
    Weight 5.29 lb / 2.4 kg
    Packaging Info
    Package Weight 19.35 lb
    Box Dimensions (LxWxH) 21.4 x 12.8 x 12.1"
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