Celestron TrailSeeker ED 10x42 Binoculars – ED Optics, Waterproof Design

Celestron TrailSeeker ED 10x42 Binoculars – ED Optics, Waterproof Design

DESCRIPTION
The Celestron TrailSeeker ED 10x42 binoculars combine high-performance optics with rugged design for demanding outdoor use. Equipped with extra-low dispersion (ED) glass, they provide precise color correction and sharp images with minimal chromatic aberration. Their fully multi-coated lenses and BaK-4 prisms with dielectric coatings ensure maximum light transmission and contrast. The magnesium alloy chassis is lightweight yet robust, with nitrogen purging and waterproofing to prevent internal fogging. The large focusing wheel allows for fine adjustments, and twist-up eyecups provide comfort for all users. With a close focus of 2.5 meters and a wide 6.5° field of view, these binoculars are suited for birding, nature observation, and general outdoor use.

TECHNICAL SPECIFICATIONS
Magnification: 10x
Objective lens diameter: 42 mm
Angular field of view: 6.5°
Linear field of view: 103 m at 1000 m
Exit pupil: 4.27 mm
Eye relief: 15 mm
Close focus: 2.5 m
Interpupillary distance: 56 – 74 mm
Diopter compensation: ±3
Twilight factor: 20.2
Relative brightness: 18.23
Limiting magnitude: Ideal 10.62 / Moderate 9.62 / Poor 8.62
Lens coatings: Fully multi-coated
Prism type: BaK-4
Prism coatings: Dielectric coated
Body material: Magnesium alloy
Gas filling: Nitrogen
Waterproof: Yes
Tripod adaptable: Yes
Weight: 666 g
Dimensions: 139.7 x 124.5 x 50.8 mm
Included accessories: Lens caps, neck strap, harness, lens cloth, soft case, manual