Celestron TrailSeeker 100 mm Straight-Thru Spotting Scope

  • TrailSeeker 100 mm (3.94 inches) Straight-Thru Spotting Scope.
  • Waterproof and Fogproof/ Nitrogen Filled.
  • Zoom from 22x to 67x Magnification.
  • Weighs only 62.5 ounces (3.91 pounds).
  • Softcover Carrying Case Included.


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  • Regular price $429.00

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Celestron TrailSeeker 100 mm Straight-Thru Spotting Scope

The TrailSeeker 100 mm Straight-Thru Spotting Scope is the 100 mm size part of Celestron's TrailSeeker Scope Series on a straight body with a Zoom 22x to 67x Magnification Eyepiece! The series is a perfect example of quality scopes of rugged construction and top-notch quality with durable rubber armored housings being fully waterproof and Nitrogen filled. The optical systems boast proprietary XLT multi-coatings that render high-resolution images with outstanding contrast. A dual-focus mechanism allows you to get subjects in focus quickly and efficiently before fine-tuning the image.

This particular model's large size objective lets in plenty of additional light for your low-light adventures in a portable package. The scope is of appropriate size for its power and is easily carried about.

To round out the package, the TrailSeeker Series offers an assortment of features that are usually only available on much more expensive models- including a sliding sunshade, rotating tripod mount, and interchangeable eyepieces. 

All in all, whether it's hiking, bird watching, camping, or just looking around, the TrailSeeker scope series is great for any outdoor activities.

A Few TrailSeeker 100 mm Straight-Thru Spotting Scope Specifications

  • Waterproof and Fogproof, Nitrogen Filled as well.
  • Scope Body: 62.5 ounces, 4.6 inches wide, 4.6 inches tall, and 18.4 inches long.
  • Eyepiece weight and size: 7.8 ounces, 1.8 inches wide, 1.8 inches tall, and 3.9 inches long.
  • Scope and Eyepiece: 70.3 ounces, 4.6 inches wide, 4.6 inches tall, and 22.3 inches long. 

Celestron Product Number: 52335


Angular Field of View1.8" to 0.9"
Aperture100 mm (3.94")
Body ShapeStraight Through
Case IncludedYes
Close Focus29.5 ft (9 m)
Exit Pupil4.4mm to 1.5mm
Eyepiece OptionInterchangeable
Free ShippingYes
Linear FOV at 1000 Yards94 to 47 ft (31 to 16 m)
Magnification22X to 67X Zoom
MaterialRubberized Aluminum
Optical CoatingsFully Multi Coated XLT
Optical DesignAPO Refractor
Prism MaterialBaK 4
Spotting Scope Tube Length22.3 inches including eyepiece
WarrantyCelestron Lifetime No Fault Warranty


  • Celestron's TrailSeeker 100 mm Straight-Thru Spotting Scope.
  • Mount/ Attached: Rotating.
  • Zoom Eyepiece, 22x to 67x Magnification.
  • Softcover Carrying Case.
  • Lens Cover and Cap.
  • Celestron's Limited Lifetime Warranty.