The Explore Scientific 10" Hybrid Truss-Tube Dobsonian Telescope offers the perfect balance of aperture, stability, and portability, making it a top pick for deep-sky observers who want serious performance without sacrificing transportability.
Unlike traditional open-cage designs, this hybrid model features a solid upper tube housing the secondary mirror. This not only increases structural rigidity but also improves light shielding and dew resistance, enhancing image contrast in challenging environments.
At the heart of the system is a 254mm (10") parabolic primary mirror, capable of pulling in nebulae, galaxies, and planetary features with vivid clarity and resolution. Beginners and experienced astronomers alike will appreciate the telescope’s ability to show Jupiter’s bands, Saturn’s rings, Mars’ polar caps, and deep Messier objects with ease.
Designed for convenience and performance, the hybrid truss-tube structure breaks down quickly without tools, making it easy to load into smaller vehicles and reassemble at your favorite dark sky site. The rigid aluminum frame and oversized altitude bearings ensure smooth tracking and stability at any magnification.
🔍 Note: This model does not include cooling fans. An optional shroud is recommended for enhanced contrast and dew protection.
CA Residents: Prop 65 WARNING(S)
⭐ Features & Benefits
- 254mm (10") parabolic primary mirror with excellent light-gathering power
- Hybrid truss design combines portability with a solid upper tube for better shielding
- Tool-free disassembly for quick transport and setup—perfect for mobile stargazers
- Rigid aluminum frame engineered for durability and minimized weight
- Oversized altitude bearings provide smooth, fluid motion for high-power tracking
- Single-speed 2" focuser accepts 1.25" accessories with included adapter
- Excellent planetary, lunar, and deep-sky performance in a mid-size Dobsonian
🌟 Who It’s For
- Deep-sky enthusiasts who want a portable 10” Dobsonian
- Backyard astronomers seeking sharp, contrast-rich views
- Beginners ready to upgrade to a larger-aperture, intuitive telescope
- Outreach presenters and club members needing a rigid, easy-to-transport setup
- Anyone looking for a hybrid design that blends the best of both solid and truss-tube builds
🎯 What You’ll Be Able to See
- Saturn’s rings and Cassini Division with crisp clarity
- Jupiter’s cloud belts and Galilean moons in sharp detail
- Mars with visible surface markings during opposition
- The Moon with shadow-filled craters and mountain ridges
- Deep-sky objects like the Orion Nebula, Andromeda Galaxy, and M13 globular cluster
🎒 What’s Included
- 254mm (10") parabolic primary mirror optical tube assembly
- Solid upper tube assembly with enclosed secondary mirror
- Truss frame lower tube structure
- Single-speed 2" focuser with 1.25" adapter
- Oversized altitude bearings for smooth motion
- All required assembly hardware (no tools needed)
Specs
| Item Number | DOB1045C |
|---|---|
| Focal Ratio | f/5 |
| Focal Length | 1270 mm |
| Primary Mirror Diameter | 254 mm |
| Secondary Obstruction | 24% |
| Mirror Cell Support Points | 9 |
| Truss Pole Length | 64 cm |
| Truss Pole Diameter | 20 mm |
| Secondary Cage Assembly Diameter | 38 cm OD |
| Secondary Cage Assembly Weight | 6.5 lbs |
| Secondary Cage Assembly Height | 17 cm |
| Mirror Box / Rocker Box Height | 42.5 cm |
| Mirror Box Weight* | 35 lbs |
| Eyepiece Height at Zenith | 119 cm |
| Theoretical Limiting Resolution | 0.46 arcseconds |
| Theoretical Rayleigh Limit | 0.54 arcseconds |
| Theoretical Limiting Magnitude | 14.7 mag |
| Theoretical Maximum Magnification | 500x |
* Mirror weight may vary slightly due to manufacturing processes.
Warranty Information:
This product is covered by a Limited One-Year USA Warranty, valid when registered within 60 days of purchase. To activate your warranty, please visit the Explore Scientific website and complete the registration form at: