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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
Celestron TrailSeeker ED 10x42 Binoculars
Celestron TrailSeeker ED 10x42 Binoculars
Celestron TrailSeeker ED 10x42 Binoculars
Celestron TrailSeeker ED 10x42 Binoculars
Celestron TrailSeeker ED 10x42 Binoculars
Celestron TrailSeeker ED 10x42 Binoculars
Celestron TrailSeeker ED 10x42 Binoculars
Celestron TrailSeeker ED 10x42 Binoculars

Celestron TrailSeeker ED 10x42 Binoculars

by Celestron
SKU CEL-71407
$409.95 - $409.95
$409.95
$409.95 - $409.95
$409.95
Price Match Policy!
  • 10x Magnification with 42mm ED Objective Lenses
  • 6.5° Angular Field of View
  • Phase and Dielectric Coated BaK-4 Prisms
  • 8.2 ft (2.5 m) Minimum Close Focus
  • Waterproof and Nitrogen-Filled Magnesium Alloy Body
  • 15mm Eye Relief with Twist-Up Eyecups
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Celestron TrailSeeker ED 10x42mm Roof Binoculars

    The Celestron TrailSeeker ED 10x42mm Roof Binoculars deliver high-contrast views with 10x magnification and bright 42mm Extra-Low Dispersion (ED) objective lenses. A wide 6.5° angular field of view makes tracking moving subjects easy, while the 8.2 ft close focus allows for detailed observation of nearby subjects. With a comfortable 15mm of eye relief and a rugged, waterproof build weighing only 23.5 oz, these binoculars are engineered for demanding use in the field.

    Extra-Low Dispersion Optics for 10x Magnification

    At the core of the TrailSeeker ED's optical system is Extra-Low Dispersion (ED) glass, which corrects for chromatic aberration—the color fringing often seen at high-contrast edges. This correction delivers razor-sharp images from edge-to-edge with true color fidelity. The 10x magnification provides the power needed to resolve fine details on distant wildlife, without the significant hand-shake that can affect higher-power models.

    BaK-4 Prisms with Phase and Dielectric Coatings

    To maximize image brightness and clarity, especially at dawn and dusk, the TrailSeeker ED employs a premium light transmission system. The high-quality BaK-4 glass prisms are treated with both phase and dielectric coatings, which dramatically increase light reflectivity through the optical path. Combined with fully broadband multi-coated lenses, this system ensures the maximum amount of light reaches your eye, producing a bright, detailed image with a relative brightness of 18.23.

    23.5 oz Magnesium Alloy Body with 15mm Eye Relief

    The TrailSeeker ED is built into a lightweight yet rigid magnesium alloy frame that weighs only 23.5 oz (666 g), making it easy to carry all day. The chassis is fully waterproof and nitrogen-purged to prevent internal fogging in changing temperatures. For viewing comfort, multi-stop twist-up eyecups and 15mm of eye relief accommodate both eyeglass wearers and non-wearers, while a diopter adjustment of ±3 allows for precise focus calibration for your eyes.

    6.5° Field of View and 8.2 ft Close Focus

    These binoculars offer the versatility for almost any observing scenario. The 6.5° angular field of view translates to a linear field of 340 feet at 1000 yards, giving you a broad enough vista to easily locate and follow moving animals. For close-up studies of insects or plants, the TrailSeeker ED can focus down to just 8.2 feet (2.5 m), revealing intricate details that are impossible to see from a distance.

  • What is the main advantage of the TrailSeeker ED 10x42mm's ED glass?

    The Extra-Low Dispersion (ED) glass virtually eliminates chromatic aberration, or color fringing. This results in noticeably sharper, higher-contrast images with accurate color, especially when viewing bright objects against a dark background, like a bird in a treetop against a bright sky.

    Are the TrailSeeker ED 10x42mm binoculars suitable for eyeglass wearers?

    Yes. With 15mm of eye relief and durable, multi-stop twist-up eyecups, you can easily adjust the distance to find the perfect viewing position that allows you to see the entire 6.5° field of view while wearing glasses.

    How do these binoculars perform in low-light conditions like dawn or dusk?

    The TrailSeeker ED 10x42mm excels in low light. The combination of ED glass, fully broadband multi-coated lenses, and phase and dielectric coated BaK-4 prisms maximizes light transmission. This results in a bright image, quantified by a twilight factor of 20.2, making it easier to spot wildlife during the critical first and last hours of daylight.

    Can I mount the TrailSeeker ED 10x42mm on a tripod?

    Yes, the TrailSeeker ED is tripod adaptable. You can mount it on any standard photographic tripod using a binocular tripod adapter (sold separately). This is highly recommended for stable, extended viewing sessions, especially when observing a stationary subject like a bird's nest.

    Is the 10x magnification difficult to hold steady for birdwatching?

    For most users, 10x magnification is the upper limit for comfortable handheld viewing. The lightweight 23.5 oz magnesium alloy body helps reduce fatigue. While it reveals more detail than an 8x binocular, it will amplify hand shake more. For maximum stability, especially over long periods, using the included harness or a tripod is beneficial.

    What does the 8.2 ft close focus on the TrailSeeker ED allow me to do?

    A close focus of 8.2 feet is excellent for detailed, magnified views of nearby subjects. It makes these binoculars perfect for observing butterflies, dragonflies, plants, and even birds at a feeder in your backyard, providing a level of detail you couldn't see with the naked eye.

  • Magnification 10x
    Objective Lens Diameter 42mm (1.65")
    Angular Field of View 6.5°
    Linear Field of View 340 ft @ 1000 yds (103 m @ 1000 m)
    Exit Pupil 4.27mm (0.16")
    Eye Relief 15mm (0.59")
    Close Focus 8.2 ft (2.5 m)
    Interpupillary Distance 56mm - 74mm (2.20" - 2.91")
    Diopter Adjustment Range ±3
    Lens Coatings Fully Broadband Multi-Coated
    Prism Glass BaK-4
    Prism Coatings Phase and Dielectric Coated
    Weight 23.5 oz (666 g)
    Dimensions 139.7mm x 124.46mm x 50.8mm (5.5" x 4.9" x 2")
    Environmental Protection Waterproof
    Nitrogen Filled Yes
    Tripod Adaptable Yes
    Twilight Factor 20.2
    Relative Brightness 18.23
    Limiting Stellar Magnitude Ideal: 10.62, Moderate: 9.62, Poor: 8.62

    • Objective Lens Caps

      × 1 pair

    • Eyepiece Caps

      × 1 pair

    • Neck Strap

      × 1

    • Carrying Harness

      × 1

    • Soft Carrying Case

      × 1

    • Lens Cloth

      × 1

    • Instruction Manual

      × 1

  • Celestron Limited Lifetime Warranty