Apertura AD10 Dobsonian 10" Telescope with Accessories — image 1
Apertura

Apertura AD10 Dobsonian 10" Telescope with Accessories

A premium 10-inch Dobsonian that ships with the accessories most scopes make you buy later, the most light-gathering you can point at the sky without a ladder of extra spending.

92/ 100
Polaris Score
#1 of 4 10-inch Dobsonians
See the breakdown ↓
Aperture
254mm
Focal Length
1250mm
Focal Ratio
f/4.9
Mount Type
Dobsonian
Optical Design
Newtonian Reflector
Weight
30.0 kg
From$949.95

Lowest in 90 daysLowest ever tracked

Price tracked by PolarisObserved 69 timesTracking since Mar 2026

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Where to buy

Verified yesterday · prices tracked daily

What it's built forOpen these in the simulator →

This telescope was built to gather light.

254 mm of aperture pulls in the faint light that galaxies and clusters live or die on. Point it up under a dark sky and objects that are rumors in smaller scopes resolve into real structure.

Sweet spot 190–320×Rewards dark skies
The view people remember

Andromeda, wider than the Moon.

A vast soft oval with a blazing core — two and a half million light-years of galaxy, spilling well past the field of view under a genuinely dark sky.

See Andromeda Galaxy through this telescope →
01What it's good at

What it's best at — and the trade-offs.

10 inches of aperture gathers about 55% more light than an 8-inch, and it shows on faint galaxies and globular clusters.
Best at
✓10 inches of aperture gathers about 55% more light than an 8-inch, and it shows on faint galaxies and globular clusters.
✓Comes loaded: a 2-inch dual-speed Crayford focuser, 9x50 finder, two eyepieces, a moon filter, a laser collimator and a cooling fan.
✓The dual-speed focuser and included collimation tools make a fast f/4.9 mirror far easier to live with.
✓Simple, rugged Dobsonian mount, no electronics to fail, point-and-look on the first night.
Trade-offs
!Large and heavy: the tube and base are a genuine two-hands, two-trips load.
!The fast f/4.9 mirror needs regular collimation and rewards a coma corrector at the edges.
!No tracking, so objects drift and need nudging at high power.
!Apertura stock can come and go seasonally.
02In plain English

What These Numbers Mean

254mm · f/4.9 · 1250mm FL · Dobsonian
Aperture
254 mm (10 inch)
Ten inches collects about 1,300 times more light than your unaided eye. This is the size where galaxies stop being smudges and start showing shape, where globular clusters resolve into individual stars, and where the Veil Nebula appears as structure rather than a rumour. It is the classic best value in visual astronomy.
Focal length
1250 mm
Long enough for serious planetary magnification with a short eyepiece and short enough that a 30 mm wide-field eyepiece still gives a genuinely wide 42x sweep. That range covers almost everything a visual observer chases.
Focal ratio
f/4.9
Fast optics reach wide, low-power views easily, but they also demand good eyepieces and regular collimation to stay sharp at the edge. Cheap wide-angle eyepieces show their weaknesses at this ratio.
Optical design
Newtonian reflector
A parabolic mirror is the cheapest way to buy aperture, with no colour error at all. The trade-offs are a tube that needs occasional collimation, a mirror that needs to cool, and a spider that puts diffraction spikes on bright stars.
Weight
26 kg total
About 57 lb, splitting into a tube and a base for two separate carries. Most people manage it to a backyard or a car boot without help, but it is not something you move casually or often.
Mount
Manual Dobsonian base
The rocker box is stable and intuitive, and you nudge the tube by hand to follow objects as Earth turns. There is no tracking, which rules out long-exposure imaging and makes very high magnification a hands-on exercise.
03The Polaris Score

How it scores, and why.

92/100 · #1 of 4 10-inch Dobsonians
92/ 100
Apertura AD10 Dobsonian 10" Telescope with Accessories
#1 of 4 10-inch Dobsonians
Performance
97
Ease of use
78
Portability
48
Upgrade potential
90

Polaris weighs optical capability, how easy the scope is to live with, how portable it is, and how far it takes you before you outgrow it — not list price or brand.

04Who it's for

An honest fit check.

Deep-sky observers who want maximum aperture per dollar.
Buy it if you
✓Deep-sky observers who want maximum aperture per dollar.
✓Buyers who would rather get the good accessories in the box than piece them together over a year.
✓People with the space and a way to move a large, heavy scope.
Look elsewhere if you
!Anyone short on storage or trunk space, this is a big, two-piece instrument.
!Observers who want GoTo or tracking; this is a manual push-to Dob.
!Astrophotographers, beyond snapshots of the Moon and planets.
05Build your rig

What to buy next — and where it leads.

9 pieces of gear, ordered by what changes the view most
Recommended upgrades
A worthwhile upgrade★ Top pickApertura Laser Collimator

Commonly paired with Apertura AD10 Dobsonian 10" Telescope with Accessories

See wider, brighter deep-sky viewsGSO SuperView 30mm 2-inch

Commonly paired with Apertura AD10 Dobsonian 10" Telescope with Accessories

Make nebulae popOptolong UHC Filter 2″

Improves contrast on nebulae and planets with this setup

Observe better
Tame lunar glareGSO Moon Filter 13pct 1.25-inch

Improves contrast on nebulae and planets with this setup

Make nebulae popSVBony UHC 1.25-inch

Commonly paired with this telescope

Sharper planets & lunar detailCelestron X-Cel LX 7mm

Commonly paired with this telescope

A sharper everyday viewCelestron X-Cel LX 18mm

Commonly paired with this telescope

Show all compatible gear (6) →
Accessories
Double your magnificationTele Vue 2x Barlow 1.25-inch

Doubles magnification for closer planetary detail with this telescope

See wider, brighter deep-sky viewsExplore Scientific 68deg 28mm 2-inch

Commonly paired with this telescope

Lunar & planetary
Excellent
Deep-sky visual
Excellent
Astrophotography
Not its purpose, a visual scope
06The numbers

Full specifications.

6 measured and stated values
Optics
Optical DesignNewtonian Reflector
Aperture254mm
Focal Length1250mm
Focal Ratiof/4.9
Mount & drive
Mount TypeDobsonian
Physical
Weight30.0 kg
07Alternatives

For a different goal, start here.

3 alternatives, each mapped to the goal it wins at
lighter

Apertura AD8 Dobsonian

The same accessory package with 8 inches of aperture, easier to move and store.

→
app-guided

Celestron StarSense Explorer 10" Dobsonian

Same aperture, with a phone app that points you to targets instead of a manual finder.

→
cheaper

Sky-Watcher Classic 10 Dobsonian

Same 10-inch optics for less, if you already own eyepieces and tools.

→
Also worth comparing
Celestron StarSense Explorer 8 Dobsonian
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Celestron StarSense Explorer 8 Dobsonian
Closest alternative at this size
Orion SkyQuest XT12 Dobsonian
Orion
Orion SkyQuest XT12 Dobsonian
More capability for deeper views
Celestron NexStar 6SE
Celestron
Celestron NexStar 6SE
Smaller and easier to handle
Community

Used in these setups.

Real builds from the community that include this product.

Deep Sky Explorer

Featured

A big-aperture visual Dobsonian paired with premium wide-field eyepieces. Ten inches of aperture pulls in faint galaxies and globular clusters, and the Ethos/Delos eyepieces deliver those photons with immersive, edge-to-edge sharpness under dark skies.