Opticron 8x56 T4 Trailfinder Binocular (Black)

Opticron 8x56 T4 Trailfinder Binocular (Black)

Opticron 8x56 T4 Trailfinder Binocular (Black)

B&H # OP8X56T4TB MFR # 30702
Opticron 8x56 T4 Trailfinder Binocular (Black)

Opticron 8x56 T4 Trailfinder Binocular (Black)

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Expected availability: 7-14 business days

Product Highlights

  • Phase-Corrected BAK4 Roof Prisms
  • Broadband Fully Multi-Coated Optics
  • Long Eye Relief and Wide Exit Pupil
  • Nitrogen-Filled, Water and Fogproof
  • Closed Bridge Configuration
  • Lightweight Aluminum Alloy Chassis
  • Large Center Focusing Knob
  • Tripod Mountable with Optional Adapter
  • Twist-Up Click-Stop Eyecups
  • Weight: 40 Ounces
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  • 1Description

Opticron built their black 8x56 T4 Trailfinder Binocular with a magnification and objective lens size combination that makes it a great optic for extreme low-light use such as during the predawn and dusk hours, or when viewing into dense brush and bushes; with performance enhancing features to improve views in all light.

These features begin with phase-corrected BAK4 roof prisms and broadband fully multi-coated optics that work together to deliver bright and clear high-contrast images with accurate color rendition through the entire visible spectrum. An exceptionally long eye relief and ultra-wide exit pupil, when combined with the optical performance, present the user with an immersive observational experience without vignetting, even as the light fades.

The chassis is made of a lightweight and durable aluminum alloy, and is nitrogen-filled to be waterproof and resistant to internal fogging. A protective black rubber armor provides a slip-resistant grip, with textured palm pads added for improved grip security in cold and wet weather. A large center focus wheel and convenient thumb-operated diopter adjustment ring on the right eyepiece enable precision focusing — even while wearing gloves. The T4's large objectives increase the weight, particularly on the objective end, so for convenience the binocular is tripod mountable with an optional adapter for hands-free use to limit vibrations or eliminate arm fatigue. Designed for active users who are always on the go, Opticron includes an ocular rainguard and tethered objective lens caps, minimizing the chances of loss.

Optical Performance
  • Moderate 8x magnification brings subjects close without sacrificing exit pupil, which is common with high-power optics
  • Large, oversized 56mm objective lenses gather generous amounts of light to boost low-light performance
  • Compact roof prisms help to keep the form factor slim for easier packing and hand-held comfort
  • BAK4 prisms deliver a round exit pupil, and a crisp and clear image with limited edge distortion
  • Phase-correction prism coatings enhance color fidelity, contrast, and resolution
  • Broadband anti-reflection fully multi-coated optics maximize light transmission to help produce accurate color fidelity across the entire visual spectrum, and further improve contrast and brightness
  • 315-foot field of view at 1000 yards
Use and Handling
  • Closed-bridge configuration provides a strong base for the internal focusing mechanism
  • Large textured slip-resistant center focusing knob is easy to manipulate, even when wearing gloves
  • Right-eye dioptric correction allows precise focusing to individual eye prescriptions with a convenient thumb lever adjustment
  • 60-77mm interpupillary distance adjustment range allows easy use by many users — even those with wider faces
  • Twist-up click-stop eyecups for comfortable use with or without eyewear
  • Tripod mountable with optional adapter for hands-free use to reduce arm fatigue and/or vibrations
  • Exceptionally long 23mm eye relief makes long-duration glassing sessions comfortable without eye strain
  • Ultra-wide 7mm exit pupil will completely cover most pupils as they dilate in low light for brighter and clearer views without vignetting
Construction Details
  • Lightweight and sturdy aluminum alloy chassis
  • Nitrogen-filled and O-ring sealed to be waterproof, and resistant to internal fogging when moving through extreme temperature changes
  • Protective black rubber armor provides a slip-resistant grip
  • Textured palm pads improve grip security and stability — especially in wet weather
  • Tethered one-piece rainguard and objective lens covers
  • Weight: 40 ounces
In the Box
Opticron 8x56 T4 Trailfinder Binocular (Black)
  • Lens Cloth
  • Neck Strap
  • Soft Carrying Case
  • One-Piece Ocular Rainguard
  • 2 x Objective Lens Covers
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description
    Prism Type Roof
    Magnification 8x
    Objective Lens Diameter 56mm
    Angle of View 6.0° (actual)
    Field of View 315.0' @ 1000 yd / 104.58 m @ 1000 m
    Minimum Focus Distance 13.1' / 4 m
    Exit Pupil Diameter 7.0 mm
    Eye Relief 23.0 mm
    Interpupillary Adjustment 60.0 - 77.0 mm / 2.4 - 3.0"
    Dioptric Correction Not Specified by Manufacturer
    Focus Type Center
    Tripod Mount Yes (Adapter Optional)
    Dimensions 7.1 x 5.7" / 18.0 x 14.6 cm
    Weight 39.9 oz / 1130.0 g
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