Opticron 8x25 T4 Trailfinder WP Binocular (Green)

Opticron 8x25 T4 Trailfinder WP Binocular (Green)

Opticron 8x25 T4 Trailfinder WP Binocular (Green)

B&H # OP8X25T4TGR MFR # 30708
Opticron 8x25 T4 Trailfinder WP Binocular (Green)

Opticron 8x25 T4 Trailfinder WP Binocular (Green)

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Product Highlights

  • Compact BAK4 Roof Prisms
  • Broadband Fully Multi-Coated Optics
  • Short 5-Foot Close Focus Distance
  • Nitrogen-Filled, Water and Fogproof
  • Closed Bridge Configuration
  • Aluminum and Polycarbonate Chassis
  • Large Center Focusing Knob
  • Tripod Mountable with Optional Adapter
  • 4-Stage Twist-Up Click-Stop Eyecups
  • Lightweight: 10.4 Ounces
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Opticron Trailfinder overview

  • 1Description

With a moderate magnification and compact design, the Opticron 8x25 T4 Trailfinder WP Binocular is outfitted with a power and objective lens size combination that is favored by many users for its versatility and portability. Added to that are features that boost performance for a wide array of uses in challenging environmental conditions.

These features begin with 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 across its entire field of view. A long eye relief and comfortable exit pupil, when combined with the optical performance, present the user with an immersive observational experience in the field, on the range, at the arena, or just sightseeing around town. 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 combination of aluminum and polycarbonate to help keep the weight low without sacrificing strength, stability, or durability. Its optical tubes are nitrogen-filled and O-ring sealed to be waterproof and resistant to internal fogging. A protective green rubber armor provides a slip-resistant grip, with textured palm pads added for improved grip security in cold and wet weather. The large center focus wheel and convenient thumb-operated diopter adjustment ring on the right eyepiece enable precision focusing — even while wearing gloves.

Optical Performance
  • Moderate 8x magnification brings subjects close without sacrificing field of view or exit pupil, that is common with high-power optics
  • 25mm objective lenses keep the form factor small for easier packing and handling
  • The roof prism optical path helps to keep the optical tubes slim to be comfortable to hold
  • BAK4 prisms deliver a round exit pupil, and a crisp and clear image with limited edge distortion
  • Proprietary High Light Transmission (HLT) 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
  • 357-foot field of view at 1000 yards
Use and Handling
  • Closed-bridge configuration provides a strong platform for the internal focusing mechanism
  • Large textured slip-resistant center focusing knob is easy to manipulate, even when wearing gloves
  • ±3 right-eye dioptric correction allows precise focusing to individual eye prescriptions with a convenient thumb lever adjustment
  • Comfortable 59-73mm interpupillary distance adjustment range allows easy use by many users
  • 4-stage twist-up click-stop eyecups for comfortable use with or without eyewear
  • Long 17mm eye relief makes long-duration glassing sessions comfortable without eye strain
  • 3.1mm exit pupil
Construction Details
  • Aluminum and polycarbonate chassis produces a lightweight optic without sacrificing strength or stability
  • Nitrogen-filled and O-ring sealed to be waterproof, and resistant to internal fogging when moving through extreme temperature changes
  • Protective green rubber armor provides a slip-resistant grip
  • Textured palm pads improve grip security and stability — especially in wet weather
  • Light 10.4-ounce weight won't add excessive bulk or cause strain when hung from the neck
In the Box
Opticron 8x25 T4 Trailfinder WP Binocular (Green)
  • Lens Cloth
  • Neck Strap
  • Soft Carrying Case
  • 2 x Objective Lens Covers
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description

    Opticron Trailfinder specs

    Prism Type Roof
    Magnification 8x
    Objective Lens Diameter 25 mm
    Angle of View 6.8° (actual)
    Field of View 357.0' @ 1000 yd / 118.5 m @ 1000 m
    Minimum Focus Distance 4.9' / 1.5 m
    Exit Pupil Diameter 3.1 mm
    Eye Relief 17.0 mm
    Interpupillary Adjustment 59.0 to 73.0 mm / 2.3 to 2.9"
    Dioptric Correction ±3
    Focus Type Center
    Tripod Mount None
    Dimensions 4.3 x 3.9 x 1.4" / 10.9 x 9.9 x 3.6 cm
    Weight 10.4 oz / 295.0 g

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