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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

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Explore Scientific 10-inch f/5 Hybrid Truss Tube Dobsonian Telescope

SKU ES-DOB1045C
Original price $899.99 - Original price $899.99
Original price
$899.99
$899.99 - $899.99
Current price $899.99
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  • 254mm (10-inch) Aperture
  • f/5 Newtonian Optical Design
  • Hybrid Truss Tube for Portability
  • Includes 25mm and 10mm Plössl Eyepieces
  • Red-Dot Finder and Collimation Tool Included
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  • Description
  • FAQ
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  • In the Box
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  • Warranty
  • Explore Scientific 10-inch f/5 Hybrid Truss Tube Dobsonian Telescope

    The Explore Scientific 10-inch Hybrid Truss Tube Dobsonian Telescope packs a 254mm primary mirror and a fast f/5 focal ratio into a highly portable design for serious deep-sky observing. This telescope's hybrid truss system breaks down for easy transport, while the included 4-piece accessory kit with 25mm and 10mm eyepieces ensures you have everything needed for your first night out. Its large aperture gathers enough light to resolve faint details in distant galaxies and nebulae, offering stunning views right from your backyard.

    254mm f/5 Optics: Deep-Sky Light Gathering

    The heart of this telescope is its large 254mm (10-inch) primary mirror. This aperture provides the light-gathering power necessary to move beyond the Moon and planets and into deep space. The fast f/5 focal ratio delivers a wide field of view, making it easier to locate objects and frame expansive targets like the Andromeda Galaxy (M31) or the star-forming regions of the Orion Nebula (M42).

    Hybrid Truss Design: A 2-Part System for Portability

    Unlike traditional, bulky solid-tube Dobsonians, this model features a hybrid truss design that collapses into a compact package. The solid upper tube assembly protects the secondary mirror and focuser from stray light and dew, while the truss poles connect it to the primary mirror box. This tool-free assembly makes it possible to transport a large-aperture telescope in a standard passenger car, without sacrificing optical stability once set up.

    The Dobsonian Base: Simple, Stable Tracking for a 10-inch Scope

    The simple and robust Dobsonian mount provides a stable platform for the 10-inch optical tube. High-altitude bearings ensure smooth, fluid motions in all directions, allowing you to manually track celestial objects across the sky with just a gentle push. This intuitive "point-and-view" system is ideal for observers who want to spend their time observing, not setting up complex electronics.

    4-Piece Accessory Kit: Ready for First Light

    This telescope includes a complete accessory package so you can start observing immediately. The kit provides the essential tools for finding, viewing, and maintaining your telescope.

    • 25mm and 10mm Plössl Eyepieces: The 25mm eyepiece offers a wide, low-power view for locating objects, while the 10mm eyepiece provides higher magnification for examining fine details on the Moon and planets.
    • Red-Dot Finder: Projects a simple red dot onto a non-magnified window, allowing you to easily aim the telescope at your desired target.
    • Collimation Tool: A simple cap that helps you align the telescope's mirrors, a crucial step for ensuring the sharpest possible images.

    Hybrid Truss vs. Solid Tube: The Portability Trade-Off

    When choosing a 10-inch Dobsonian, the main decision is between a hybrid truss and a solid tube design. While a solid-tube Dobsonian is often ready to use faster and may hold collimation better between sessions, its large size makes it difficult to transport and store. The Explore Scientific Hybrid Truss offers the clear advantage in portability, breaking down to fit in smaller spaces. The trade-off is a slightly longer setup time and the need to collimate the optics before each observing session, a skill made simple with the included tool.

  • How will the 10-inch Hybrid Truss Dobsonian perform on planets like Jupiter?

    With its 254mm aperture, this telescope resolves significant planetary detail. On Jupiter, you can expect to see the main cloud bands, the Great Red Spot (when visible), and the four Galilean moons. The included 10mm eyepiece provides enough magnification to begin discerning these features, though adding a 2x Barlow lens or a dedicated planetary eyepiece would reveal even more detail.

    What are the main advantages of the hybrid truss design on this 10-inch Dobsonian?

    The primary advantage is portability. A 10-inch solid-tube telescope is very bulky, but the hybrid truss design allows the optical tube to be disassembled into smaller, lighter components. This makes it much easier to fit in a car and carry to a dark-sky site. The design also maintains a rigid optical alignment once assembled.

    Can the Explore Scientific 10-inch Hybrid Dobsonian fit in a small car?

    Yes, this is the main purpose of the truss design. When disassembled, the components—the primary mirror box, the upper tube assembly, the truss poles, and the flat-packed rocker box—can typically fit across the back seat or in the trunk of most passenger cars.

    How difficult is it to assemble and collimate this 10-inch Dobsonian in the field?

    Assembly is tool-free and typically takes 5-10 minutes once you are familiar with the process. Collimation (mirror alignment) is required after assembly but is straightforward with the included collimation cap. Most observers become proficient at collimating their telescope in just a few minutes.

    Is this 10-inch f/5 Dobsonian good for viewing the Andromeda Galaxy (M31)?

    Absolutely. The 10-inch aperture and f/5 focal ratio are ideal for large, diffuse objects like the Andromeda Galaxy. Using the 25mm eyepiece, you can frame the galaxy's bright core and sprawling spiral arms within a single field of view. From a dark site, you will also be able to spot its two satellite galaxies, M32 and M110.

    Are the included 25mm and 10mm eyepieces enough to get started?

    Yes, the included eyepieces provide a great starting point. The 25mm Plössl gives you a wide, low-power view for finding objects and observing large star clusters. The 10mm Plössl offers higher power for looking at lunar craters and planetary details. Observers often expand their collection later to include different focal lengths for more magnification options.

  • Optical Design Newtonian Reflector
    Aperture 254mm (10 inches)
    Focal Ratio f/5
    Mount Type Dobsonian
    GTIN 8118030317912
    • Download Manual

    • 10" Hybrid Truss Tube Optical Assembly

      × 1

    • Dobsonian Mount Base

      × 1

    • 25mm Plössl Eyepiece (1.25")

      × 1

    • 10mm Plössl Eyepiece (1.25")

      × 1

    • Red-Dot Finder

      × 1

    • Collimation Tool

      × 1

  • Explore Scientific Warranty