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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.
Coatings and Prisms
TrailSeeker ED features fully multi-coated optics and phase- and dielectric-coated BaK-4 prisms. A binocular can be considered “fully multi-coated” when all air-to-glass surfaces are coated with multiple layers of anti-reflectivity coatings so that the maximum amount of light passes through the glass to the eye.
The prism inside TrailSeeker ED is made of high quality BaK-4 glass with both phase and dielectric coatings so that more light is reflected off the prism and diverted through the eye. Taken together, fully multi-coatings and BaK-4 prisms maximize light transmission for the brightest, most detailed images possible.
The Body
TrailSeeker ED is composed of lightweight and durable magnesium alloy. Its tough, rigid frame is coated with rubber to stand up to hard use in the field. What’s more, the binocular is fully waterproof and filled with dry nitrogen gas to prevent internal fogging of lenses. TrailSeeeker ED can stand up to even the toughest outdoor conditions.
Viewing through TrailSeeker ED is comfortable for both eyeglass wearers and non-eyeglass wearers alike, thanks to the durable twist-up eyecups. Twist through multiple click stops to find the position that works best for you.
Perfect for a Variety of Uses
TrailSeeker ED features a close focus of just 8.2 feet, making it perfect for viewing birds, butterflies, plants, or other nearby subjects. But this 10x42 binocular also offers the magnification needed to get great views of distance subjects, plus a wide field of view so you can easily follow them as they move. No matter how you choose to observe, this versatile binocular is an excellent all-around performer.
| Technical Specifications | |
|---|---|
| Eyepiece cups | Rotable |
| Lens coating | Phase coating, full multi-coating |
| Optical characteristics | |
| Type of build: | Roof |
| Magnification: | 10 x |
| Minimum focusing distance (m): | 2,5 |
| Objective lense diameter (mm): | 42 |
| Eye relief (mm): | 15 |
| Exit pupil (mm): | 4,27 |
| Max. interpupillar distance (mm): | 74 |
| Min. interpupillar distance (mm): | 56 |
| Optical coatings: | Fully multicoated |
| Focusing system: | Central focusing |
| Glass material: | BaK-4 |
| Field of view | |
| Field of view at 1,000 m (m): | 113 |
| True field of view (°) | 6,5 |
| Twilight factor: | 20,5 |
| Special features: | |
| Protection bag | Yes |
| Splash-proof | Yes |
| Threaded tripod connector | Yes |
| Dioptre adjustment: | +/- 3 |
| Waterproofness: | Yes |
| General | |
| Dimensions (L x W x H), (mm): | 140 x 125 x 51 |
| Series: | Trailseeker ED |
| Surface material | Rubber armouring |
| Body material: | Magnesium |
| Weight (kg): | 0.666 |
| Warranty: | 2 years |
| Included accessories | |
| Carrying bag: | Yes |
| Carrying strap: | Yes |
| Area of application | |
| Astronomy: | Good |
| Bird watching: | Very good |
| Hunting: | Good |
| Sailing: | Good |
| Traveling | Good |
