Celestron TrailSeeker 100 - Waterproof spotting scope with 22-67x zoom and XLT processing
Visit Celestron TrailSeeker 100 is a bright, versatile spotting scope, ideal for observing nature, birds, distant landscapes or digiscoping.
It combines a 100 mm lens, a zoom 22-67xand fully multi-coated XLT opticsa dual focus and a robust, sealed, nitrogen-purged chassis.
The wide lens lets in a lot of light while maintaining a reasonable size, making the spotting scope suitable for low-light conditions such as dawn or dusk.
XLT Fully Multi-Coated treatment: bright, high-contrast image
The TrailSeeker 100 uses Celestron's XLT optical coatings to enhance image quality:
- increased brightness over the entire field; ;
- better contrast in difficult light ;
- reduced glare and optical loss ;
- natural colors and well-defined details.
Prisms BaK-4 complete the system, ensuring a clear exit pupil and an excellent level of transmission.
Dual focus: fast and precise
Two knobs are used to adjust sharpness:
- rapid focusing to obtain the overall image; ;
- fine tuning to fine-tune details.
This system is effective for tracking moving subjects or fine-tuning sharpness at high magnification.
Rotating tripod mount
The rotating tripod base swivels on 360° with notches, allowing :
- place the eyepiece in the most comfortable position; ;
- adapt orientation to seated or standing observation; ;
- change the framing without moving the whole tripod.
22-67x zoom: wide or detailed observation
The eyepiece supplied offers variable magnification:
- 22x for a broad field and the search for subjects ;
- 67x to observe details at long range; ;
- ocular 8-24 mm with twist-up eyecup ;
- eye relief 15-18 mm, comfortable for spectacle wearers.
Designed for the field: waterproof and fogproof
The TrailSeeker 100 is built with a sturdy rubber-covered body and offers :
- complete sealing to cope with rain, humidity and dust; ;
- nitrogen filling to prevent internal fogging; ;
- enhanced protection for intensive outdoor use.
100 mm lens: increased brightness
The aim of 100 mm is particularly effective in dark environments:
- best performance at dawn and dusk; ;
- details visible even in low light ;
- clear field and improved contrast.
Sliding sun visor and line of sight
The integrated sunshade:
- reduces glare; ;
- protects the lens from rain ;
- includes a aiming line useful for quickly locating a subject.
Key optical features
| Magnification |
22-67x |
| Lens diameter |
100 mm (3.93″) |
| Focal length |
540 mm (21.26″) |
| Eyepiece |
8-24 mm (22-67x zoom) |
| Angular field |
1,8° à 0,9° |
| Linear field at 1000 m |
31 to 16 m |
| Output pupil |
4.4 to 1.5 mm |
| Eye relief |
18 to 15 mm |
| Minimum focus |
7,5 m |
| Magnitude limit |
12.5 (ideal) |
| Twilight factor |
47,4 - 82 |
| Relative brightness |
19,5 - 2,25 |
Mechanical and physical characteristics
| Prisms |
BaK-4 |
| Optical treatments |
XLT Fully Multi-Coated |
| Waterproofing |
Yes |
| Nitrogen purge |
Yes |
| Weight |
1993 g (without accessories) |
| Dimensions |
566 × 117 × 117 mm |
| Tripod mounting |
Yes (rotating mount) |
| Photo adaptation |
Yes (including T-mount) |
| Case |
Soft bag, view-through access |
Accessories included
- Balancing plate
- Eyepiece eyelets
- T-mount for cameras
- Cleaning cloth
- Instruction manual
Solar safety warning
Never observe the sun without a suitable solar filter.
- Direct observation = risk of irreversible eye damage.
- Projection = risk of internal deterioration by heat.
- Keep under supervision, especially in the presence of children.
For what purpose?
The Celestron TrailSeeker 100 is a perfect fit:
- birdwatching and nature ;
- to distant panoramas, walks and hikes ;
- to digiscoping thanks to the photo adapter ;
- 100 mm lens for low-light observations; ;
- for users looking for a sturdy, bright and easy-to-carry spotting scope.
