Skip to product information

Sky-Watcher Skyliner-300P FlexTube SynScan Go-To (305mm / 12") f/4.9 Parabolic WiFi Dobsonian Telescope

10226

SkyWatcher

1 in stock


Regular price £2,119.00
Sale price £2,119.00 Regular price
Tax included. Shipping calculated at checkout.

Order before 3pm for next day delivery


Sky-Watcher Skyliner-300P FlexTube SynScan Go-To (305mm / 12") f/4.9 Parabolic WiFi Dobsonian Telescope

The ultimate large-aperture Dobsonian—now with built-in WiFi, premium wide-angle eyepieces, and smartphone imaging capability.
The Skyliner-300P FlexTube SynScan brings together huge light-gathering power, compact portability, and full Go-To automation, making it one of the most capable visual telescopes available for backyard astronomers.

Its 305mm parabolic primary mirror and f/4.9 optics deliver exceptional deep-sky performance with bright, contrasty views of galaxies, nebulae, clusters, and planets. The patented collapsible FlexTube design makes transport easy, while the advanced SynScan Go-To system gives you access to over 42,900 celestial objects, tracking them automatically as they move across the sky.


Key Features at a Glance

Massive 305mm (12") Light-Gathering Power

  • 44% more light than a 250mm scope

  • Ideal for deep-sky observing: galaxies, nebulae, globular clusters

  • Parabolic primary mirror with RAQ™ aluminium quartz coating (up to 94% reflectivity)

Patented FlexTube Collapsible Design

  • Retracts for easier transport and storage

  • 3-point tube locking system keeps collimation stable

Built-in WiFi + SynScan Go-To Technology

  • Control via SynScan app (iOS/Android), handset, or both

  • Full handset database: 42,900+ objects

  • App database: 10,000+ objects (unlimited with planetarium software)

  • Automatic Go-To tracking of all selected targets

  • Alignment methods: 1-star, 3-star, Brightest Star, North-Level

Dual-Encoder Freedom Tracking

  • Manually push the telescope at any time

  • No realignment required—Go-To tracking remains active

  • Quickly reposition to the opposite side of the sky

Premium Accessories Included

  • 12.5mm & 20mm 70° wide-angle eyepieces

  • Dual-fit Crayford focuser (1.25"/2")

  • 1.25" brass compression ring adaptor (prevents eyepiece marring)

  • 9×50 finderscope

  • Universal smartphone camera adaptor (54–90mm width)

  • Direct SLR camera connection

Strong, Smooth, and Quiet Alt-Az Mount

  • Large bearings for smooth manual movement

  • Heavy-duty servo motors for accurate Go-To tracking

  • Accessory tray included


Performance Highlights

  • Magnifications with included eyepieces: 75× & 120×

  • Highest practical magnification: 600×

  • Telescope focal length: 1500mm (f/4.9)

  • Parabolic primary + ultra-thin 0.5mm secondary supports for reduced diffraction

  • Quiet Go-To operation

  • Perfect for visual observers wanting maximum detail and brightness


SynScan App Features

  • Tonight’s Best tour

  • Point-and-Go using your smartphone screen

  • Object identification

  • Remote control over the internet

  • User-defined objects

  • Pointing Accuracy Enhancement (PAE)


Power Requirements

  • Requires 12V DC power (tip positive)

  • Sky-Watcher 17Ah Power Tank recommended


What’s in the Box

  • Skyliner-300P FlexTube Optical Tube

  • Go-To Dobsonian base with built-in WiFi

  • 12.5mm 70° wide-angle eyepiece

  • 20mm 70° wide-angle eyepiece

  • 1.25"/2" dual-fit Crayford focuser

  • 1.25" brass compression ring adaptor

  • 9×50 finderscope

  • Universal smartphone adaptor

  • SynScan handset

  • Accessory tray


Technical Specifications

Optical Tube

  • Aperture: 305mm

  • Focal Length: 1500mm

  • Focal Ratio: f/4.9

  • Mirror Coatings: Radiant™ Aluminium Quartz (RAQ™), 94% reflectivity

  • Secondary Support: 0.5mm ultra-thin vanes

  • Max Theoretical Power: 600×

Mount

  • Type: Motorised Alt-Az Dobsonian

  • Motors: Heavy-duty servo

  • Database: 42,900+ objects

  • WiFi: Built in

  • Dual encoders: Yes

  • Power: 12V DC

Shipping Options

Fast & Reliable UK Delivery

We offer flexible delivery options across the UK, with free shipping available on qualifying orders.

  • FREE Next Working Day Delivery (Mon–Fri)
    On all orders £300 and over
  • FREE Express Delivery (1–3 Working Days)
    On orders £49.99 – £299.99
  • Express Delivery – £3.99
    On orders under £49.99
  • Standard Delivery (2–4 Working Days) – £2.99
    A great value option for smaller orders
  • Priority Shipping – £8.99
    A fully tracked, guaranteed delivery service, including Saturday delivery options

Order Fulfilment

Some items, as clearly stated on the product page, may be fulfilled directly by our partners or manufacturers. In these cases, your order will be shipped to you straight from the brand’s warehouse. This helps us provide a wider range of specialist equipment and may result in slightly different delivery times.

Returns Policy

If something isn’t right, we’ll always try to help.

  • Unused items in “as new” condition can usually be returned within the statutory cooling-off period
  • Please contact us before sending anything back so we can advise on the safest way
  • For unwanted items, return shipping is your responsibility, and original shipping may be deducted where applicable
  • If a product is faulty or damaged, we’ll arrange repair, replacement or refund in line with your consumer rights — and we’ll cover reasonable return costs

Telescope shipping is expensive, and specialist — avoidable returns really do impact our business, so we always encourage customers to ask questions before buying. We’re here to help you get it right first time.

Your statutory rights are not affected.

Sky-Watcher Skyliner-300P FlexTube SynScan Go-To (305mm / 12") f/4.9 Parabolic WiFi Dobsonian Telescope

£2,119.00

Does it come with a warranty?

All our products are UK stock so come with manufacturers warranty

What happens if I don't like it?

We always want you to be happy with your purchase — so if you’re unsure, please ask us first. We’re always happy to give honest advice before you buy.

If the product arrives and you simply decide it isn’t for you, you can usually return it within the cooling-off period — as long as it’s unused, in perfect condition, and returned with all original packaging and accessories.

Because telescopes and optical equipment are large, delicate and expensive to ship, you’ll need to cover the cost of sending it back, and if we originally subsidised delivery, we may deduct our outbound shipping costs from your refund.

We’re a small specialist business, and unnecessary returns genuinely hurt us — so if you’re unsure at all, please talk to us first. We’d rather help you choose the right item than process a return.

How fast is shipping?

We aim to ship in-stock items as quickly as possible.

  • Most in-stock orders dispatch within 1–2 working days
  • Delivery usually takes 1–3 working days after dispatch (UK mainland)
  • Heavier / oversized items and special orders may take a little longer

You’ll receive tracking details as soon as your order is on its way.

Astronomy equipment often requires specialist packing and trusted couriers — we do this to keep your gear safe, not to slow things down. If you need something urgently, just ask and we’ll do our best.

What's the returns policy?

If something isn’t right, we’ll always try to help.

  • Unused items in “as new” condition can usually be returned within the statutory cooling-off period
  • Please contact us before sending anything back so we can advise on the safest way
  • For unwanted items, return shipping is your responsibility, and original shipping may be deducted where applicable
  • If a product is faulty or damaged, we’ll arrange repair, replacement or refund in line with your consumer rights — and we’ll cover reasonable return costs

Telescope shipping is expensive, and specialist — avoidable returns really do impact our business, so we always encourage customers to ask questions before buying. We’re here to help you get it right first time.

Your statutory rights are not affected.

What are your opening hours?

Monday: 9.00am - 5.00pm
Tuesday: 9.00am - 5.00pm
Wednesday: 9.00am - 5.00pm
Thursday: 9.00am - 5.00pm
Friday: 9.00am - 5.00pm
Saturday: 9.00am - 5.00pm
Sunday: Closed