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Celestron TrailSeeker ED 10x42

US$ 354.35

Availability: IN STOCK

Short Description

  • ED objective lenses provide superior images virtually free of chromatic aberration with accurate color reproduction, increased resolution and contrast
  • Fully multi-coated optics for maximum light transmission through the optical path
  • Phase and dielectric coated BaK-4 prisms for vivid, true-to-life colors
  • Wide field of view and 8.2' close focus
  • Tripod adaptable


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The 10x42 TrailSeeker ED binocular provides high-level outdoor performance—a perfect choice for avid birders, hunters, and outdoor enthusiasts. TrailSeeker ED is packed with optical, mechanical, and ergonomic features that make it comparable to binoculars costing two to five times as much.

ED Objective Lenses

Extra-Low Dispersion (ED) glass virtually eliminates chromatic aberration, also known as color fringing, a visual defect common in binoculars. TrailSeeker ED delivers edge-to-edge sharpness with excellent color correction and razor-sharp images.

Not all ED glass is created equal. Celestron’s high quality ED glass delivers visibly brighter, sharper images compared to non-ED binoculars. The difference is especially apparent in low light conditions, such as at dawn or dusk.

Objective Lens Diameter42mm (1.65)
Angular Field of View6.5°
Linear Field of View (@1000 yds) / @1000 m)340 ft (103 m)
Exit Pupil4.27mm (.16")
Eye Relief15mm (.59")
Close Focus 8.2 ft (2.5 m)
Interpupillary Distance (max)74mm (2.91")
Interpupillary Distance (min)56mm (2.20")
Diopter Adjustment Range± 3
Twilight Factor20.2
Relative Brightness18.23
Lens CoatingsFully Multi-Coated
Prism Glass (Type)Bak-4
Prism CoatingsPhase & Dielectric Coated
Weight23.5 oz (666 g)
Environmental ProtectionWaterproof
Nitrogen FilledYes
Tripod AdaptableYes
Carrying CaseSoft Case
Dimensions139.7mm x 124.46mm x 50.8mm (5.5" x 4.9" x 2")
Included AccessoriesObjective Lens & Eyepiece Caps | Neck Strap | Carrying Harness | Lens Cloth | Instruction Manual

Additional Information

Additional Information

NameCelestron TrailSeeker ED 10x42
Diameter42 mm


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