StellaLyra 10" f/5 Dobsonian

The UK's Best 10" Dobsonian Telescope

Discover the universe with the UK's best 10" Dobsonian telescope, expertly designed and manufactured by Guan Sheng Optical (GSO) in Taiwan. This high-standard telescope offers a 10" aperture, providing 56% more light-gathering ability than 8" models while remaining relatively portable—perfect for visual astronomy enthusiasts.

Read the review from Ade Ashford for BBC Sky at Night

Stellar Viewing Experience

With this telescope, observing the night sky becomes an extraordinary experience. You'll feel like you can reach out and touch the lunar surface. View Venus and its phases, Mars with its surface shading and polar cap, Jupiter's weather bands and several of its moons, and Saturn with its rings, including the Cassini division. Additionally, many deep sky objects such as galaxies and nebulae will be clearly visible. For many, this telescope will offer a lifetime of fascinating celestial observations.

Exceptional Features

High-Quality Optics

• Primary Mirror: GSO aluminised parabolic primary mirror with a minimum reflectivity of 93%, protected by a silicon-dioxide overcoat for long-lasting brightness.
• Easy Collimation: Tool-free collimation adjustment with collimation knobs on the primary mirror cell.
• Cooling Fan: Integrated fan for fast cooling of the primary mirror.

Precise Focusing

• 2" Crayford Focuser: CNC-machined, dual-speed with 1:10 focus adjustment for smooth and precise focusing.
• Adapter & Extender: Includes a 2" to 1.25" adapter for versatile eyepiece use and a 35mm focus extender for long focal length 2" eyepieces.
• Secure Grip: Brass compression rings hold eyepieces and accessories securely without marring them.

Comprehensive Eyepiece Selection

• Eyepieces Included:
• • 1.25" 9mm Plössl eyepiece
  • 2" 30mm SuperView eyepiece
• Multicoated for Clarity: Both eyepieces are fully multicoated for clear, sharp views.

Robust and Reliable Mount

Dobsonian Base

• Flat-Pack Delivery: Easy to assemble.
• Smooth Adjustments:
• Azimuth adjustments with a robust roller-bearing assembly for smooth 360º movement.
• Altitude adjustments with a steel shaft and CNC-machined metal plates, featuring large knurled tension adjustment knobs for precise movements.
• Balance Adjustment: Engraved scale for precise balance when switching between eyepieces or adding accessories.

Comfortable Viewing

Right-Angle Finderscope

• 8x50 Finder: Included for ease of use without neck strain.
• Precise Alignment: Cross-hair reticule and quick, easy alignment with two adjustment screws and a sprung loaded tensioner.

Specifications

• Optical Aperture: 254mm (10")
• Focal Length: 1250mm
• Focal Ratio: f/4.92
• Mirror Coatings: Aluminium and silicon dioxide (SiO2)
• Secondary Mirror Obstruction: 25%
• Tube Dimensions:
• Diameter: 305mm / 12"
• Length: 1210mm / 47.6"
• Mount:
• Base Height: 640mm / 25.2"
• Base Diameter: 540mm / 21.3"
• Weight:
• Tube: 15.5kg / 34lbs 3oz
• Shipped Weight (OTA): 24kg / 52lbs 14oz
• Shipped Weight (Base): 16kg / 35lbs 4oz

What's Included

• 10" Newtonian Reflector Telescope
• Dobsonian Mount
• 8x50 Right-Angle Erect Image Finderscope
• 9mm 1.25" Super-Plössl Eyepiece
• 30mm 2" SuperView Eyepiece
• 35mm 2" Focus Extension Tube
• 2" to 1.25" Adapter
• Cooling Fan & Battery Holder

NOTE: The assembly instructions are generic for 8", 10" & 12" models, so please don't be concerned if your telescope is supplied with fewer screws than shown in the instructions. You will have the correct number. 

Download Manual

Conclusion

Step up your stargazing game with the UK's best 10" Dobsonian telescope by StellaLyra. Designed for durability and ease of use, this telescope brings the wonders of the universe closer, delivering a lifetime of awe-inspiring views.