Opticron 10x42 T4 Trailfinder Binocular (Black)

Opticron 10x42 T4 Trailfinder Binocular (Black)

Opticron 10x42 T4 Trailfinder Binocular (Black)

B&H # OP10X42T4TB MFR # 30701
Opticron 10x42 T4 Trailfinder Binocular (Black)

Opticron 10x42 T4 Trailfinder Binocular (Black)

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Expected availability: 7-14 business days
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Product Highlights

  • Phase-Corrected BAK4 Roof Prisms
  • Broadband Fully Multi-Coated Optics
  • Wide 65° Apparent Angle of View
  • Short 5-Foot Close Focus Distance
  • 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
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Color: Black

Opticron 10x42 T4 Trailfinder Binocular (Black) Opticron 10x42 T4 Trailfinder Binocular (Green)

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Magnification: 10x

10x 8x

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Opticron Trailfinder overview

  • 1Description

Opticron built their black 10x42 T4 Trailfinder Binocular with a magnification and objective lens size combination that is favored by many users for its ability to see distant subjects, while remaining easy to hold and highly portable. Added to that are features that boost performance from dawn to dusk in a wide array of lighting and environmental conditions.

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 and across its entire wide field of view. The wide field of view helps to minimize the appearance of distracting hand shake that is common when hand-holding high-power optics such as this, while presenting an immersive viewing experience even in low light. For those who want to make detailed observations at close range, the T4's minimum focus distance is under 5 feet so viewing nearby birds, bugs, flora, and fauna is comfortable and easy.

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 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
  • High 10x magnification for making detailed observations of distant objects
  • 42mm objective lenses draw in more light than smaller models to boost low-light performance without excessive bulk
  • 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
  • Short 5-foot minimum focus distance enables detailed observations of bugs, birds, flowers, and other plants at close range
  • Wide 65° apparent angle of view minimizes the appearance of distracting hand shake that is common when holding high-power optics such as this
  • 339-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
  • Broad 58-77mm 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
  • Comfortable 16mm eye relief makes long-duration glassing sessions easier with reduced eye strain
  • 4.2mm exit pupil will completely cover many 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: 26 ounces
In the Box
Opticron 10x42 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

    Opticron Trailfinder specs

    Prism Type Roof
    Magnification 10x
    Objective Lens Diameter 42mm
    Angle of View 6.5° (actual)
    Field of View 339.0' @ 1000 yd / 112.55 m @ 1000 m
    Minimum Focus Distance 4.9' / 1.5 m
    Exit Pupil Diameter 4.2 mm
    Eye Relief 16.0 mm
    Interpupillary Adjustment 58.0 - 77.0 mm / 2.3 - 3.0"
    Dioptric Correction Not Specified by Manufacturer
    Focus Type Center
    Tripod Mount Yes (Adapter Optional)
    Dimensions 5.5 x 5.0" / 14.0 x 12.8 cm
    Weight 25.8 oz / 731.0 g

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