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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.
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.
Orion Optics UK 250mm Dobsonian Mount
Orion Optics UK 250mm Dobsonian Mount
Orion Optics UK 250mm Dobsonian Mount
Orion Optics UK 250mm Dobsonian Mount
Orion Optics UK 250mm Dobsonian Mount

Orion Optics UK 250mm Dobsonian Mount

by Orion Optics UK
SKU OOUK-250MM-DOBSONIAN-MOUNT-ACCEOTS-TUBES
$357.72 - $357.72
$357.72
$657.72
$657.72 - $657.72
$657.72
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  • Designed for 250mm (10-inch) class Newtonian telescopes
  • Accepts optical tubes with an outer diameter up to 280mm
  • Classic Dobsonian rocker box design for stability
  • Provides smooth altitude and azimuth motions
  • Ideal foundation for high-resolution visual observing
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Orion Optics UK 250mm Dobsonian Mount

    The Orion Optics UK 250mm Dobsonian Mount provides a simple, rigid foundation for 10-inch class Newtonian optical tubes with diameters up to 280mm. This classic rocker-box mount is engineered for the visual observer who prioritizes stability and ease of use over complex electronics, ensuring that the high-quality views from your optics are not compromised by vibration or instability.

    A Stable Platform for Tubes up to 280mm in Diameter

    This mount is specifically constructed to carry 250mm (10-inch) Newtonian telescopes, accommodating tube diameters as large as 280mm. The robust, ground-based design ensures maximum rigidity, which is critical for maintaining sharp, steady images at the high magnifications these instruments are capable of. By minimizing vibrations, it allows the fine details on planets and in deep-sky objects to resolve clearly.

    The Dobsonian Advantage: Simplicity and Stability for Visual Astronomy

    The Dobsonian design is the epitome of functional simplicity. With intuitive push-to motions in altitude and azimuth, you can navigate the night sky effortlessly without the need for polar alignment, power supplies, or electronic controllers. This mount is the ideal partner for an Orion Optics UK optical tube, providing the unwavering support needed for pure, high-contrast visual astronomy.

  • What size telescopes will fit the Orion Optics UK 250mm Dobsonian Mount?

    This mount is designed for 250mm (10-inch) Newtonian reflectors but can accommodate any optical tube with an outer diameter up to 280mm. It's crucial to measure your telescope's tube diameter, not just its aperture, to ensure a proper fit.

    Is the Orion Optics UK 250mm Dobsonian Mount suitable for astrophotography?

    No, this mount is designed for visual use. A Dobsonian mount moves in altitude and azimuth (up-down, left-right) and does not track the rotation of the Earth in an arc. While suitable for short-exposure planetary or lunar imaging with a dedicated camera, it is not suitable for long-exposure deep-sky astrophotography, which requires an equatorial mount.

    How do I balance a telescope on the 250mm Dobsonian Mount?

    Balancing is achieved by adjusting the position of the telescope tube within its cradle or rings along its length. The goal is to find the center of gravity so the telescope remains level and moves smoothly without tipping forward or backward when heavy eyepieces or accessories are added.

    What are the main benefits of using a Dobsonian mount?

    The primary benefits of a Dobsonian mount are stability, simplicity, and cost-effectiveness.

    • Stability: The low center of gravity and wide base make it extremely resistant to vibrations.
    • Simplicity: There are no complex electronics or alignment procedures. You simply place it on the ground and start observing.
    • Cost-Effectiveness: It provides a solid platform for large-aperture telescopes at a fraction of the cost of an equatorial mount of similar capacity.

    Can I use a 200mm (8") f/6 Newtonian on this 250mm mount?

    Yes, provided the outer diameter of your 200mm telescope's tube is less than the 280mm maximum capacity of the mount. Using a slightly smaller telescope on a larger mount often results in exceptional stability, as the mount is over-specified for the load.

    What kind of observing is the Orion Optics UK 250mm mount best for?

    This mount excels at visual deep-sky observing. Its stability is perfect for scanning the Milky Way for faint nebulae like the Veil Nebula (NGC 6960) or resolving individual stars in globular clusters like the Great Cluster in Hercules (M13) at high power.

  • Mount Type Alt-Azimuth Dobsonian Rocker Box
    Telescope Compatibility 250mm (10-inch) class Newtonians
    Max Tube Diameter 280mm
  • Orion Optics UK 1-Year Warranty