114–130 mm Newtonian on a manual equatorial mount
Celestron AstroMaster 130EQ-MD
The telescope in most shop windows: a real Newtonian — the mirror at the bottom of a full-length tube — on a small equatorial mount with a counterweight. The same light as a 130 mm tabletop, on a mount that follows the sky with one knob once it points at the celestial pole, and that takes longer to learn than the telescope does.
€359seen 7 Oct 2026 at Astroshop
- 130 mmAperture
- f/5.0Focal ratio
- 22–260×Useful magnification
Should you buy it?
- Yes if what you mainly want is the moon and the planets: that is what this family does best.
- No if your priority is learn my way around the sky, sharing it with children, taking it with me, first astrophotography, serious deep-sky imaging: other families do better for the same money.
Computed from its family's per-goal scores and its own numbers — not a rating, not one evening's opinion.
Where to buy
Also search at First Light Optics · Optique Unterlinden · Pierro Astro · Teleskop-Express (searches; neither price nor stock checked)
1 of these 5 links earn us a commission, marked above. Sorted by price, never by what pays. How this site is funded.
Prices are observed on the date shown, never live. Links marked paid link earn us a commission and cost you nothing extra.
What it shows, really
These circles are simulations, computed from the aperture, the magnification and the sky — indicative, not exact. A real night also depends on the turbulence, your eyes and your experience. Closer to the truth than the photo on the box; still not a promise.
Under a suburban sky (Bortle 6), through a common 25 mm eyepiece for wide targets and a 10 mm for planets. Every circle is the true field — nothing is enlarged.
Photo credits
These thumbnails are built from real photographs, scaled and darkened by the same arithmetic as the large view.
The numbers
Photo: Astroshop| Aperture | 130 mm |
|---|---|
| Focal ratio | 650 mm · f/5.0 |
| Mount | Manual equatorial with a motor on the right-ascension axis, steel tripod |
| Eyepieces | 20 mm and 10 mm |
| Useful magnification | 22× to 260× at 130 mm |
| Resolution (Dawes) | 0.9″ — the tightest double star this aperture can split |
| Faintest star, suburban sky | around magnitude 11.8 |
| Observed price | €359 seen 7 Oct 2026 at Astroshop |
Made for
- The Moon and the planets
The same light as a 130 mm tabletop, and once the mount is aligned on the pole one knob keeps a planet centred. Saturn's ring at 100× on 130 mm is an exit pupil of 1.3 mm; the aperture allows about 260× (twice the aperture in millimetres, by the usual rule), the seeing rarely does. From experience, a light head takes a second or two to settle after each touch.
- The Sun
In white light: sunspots with their penumbra, faculae near the edge, and granulation on a steady morning. Dawes' limit on the Sun: 0.9″ (116 ÷ 130 mm, arithmetic). It needs a certified cell over the front whose range holds its 160.5 mm outside diameter: the Omegon Helievo 152 (144–168 mm), €89 (seen 26 Sept 2026). Every time: certified filter over the front · finder capped · never an eyepiece filter · an adult with children · never without the filter · measure first.
Not made for
- Learn my way around the sky
It teaches the celestial coordinates, which is a real skill, but star-hopping from a chart is slower than with a base you push where you look, and the finder swings to odd angles as the tube goes round the pole.
- Sharing it with children
An adult aligns it and points it. The eyepiece height changes as the tube swings round, and in the dark the counterweight bar sits at a child's head height (experience).
- Taking it with me
A car, in three pieces: tripod, head with counterweight, tube. Hand luggage, no.
- First astrophotography
A phone held to the eyepiece on the Moon, and short planetary videos on the kits with a motor. Long exposures, no: a head this light does not carry a camera steadily, from experience.
- Serious deep-sky imaging
No. Serious imaging starts with a mount rated well above its load, and guiding; a light manual head is the opposite.
The Sun, safely
No solar filter in the box
The Sun with this model
It needs a certified cell over the front whose range holds its 160.5 mm outside diameter: the Omegon Helievo 152 (144–168 mm), €89 (seen 26 Sept 2026).
In white light: sunspots with their penumbra, faculae near the edge, and granulation on a steady morning. Dawes' limit on the Sun: 0.9″ (116 ÷ 130 mm, arithmetic).
Past about 100 to 125 mm, daytime air rather than aperture generally sets the limit on the Sun (experience: the AAVSO solar observing guide).
The listing gives a fit of 144–168 mm across the outside of the tube. Clear aperture 152 mm. The listing names no standard; no international standard exists for filters on telescopes, binoculars or lenses (AAS).
Where to buy
1 of these 1 links earn us a commission, marked above. Sorted by price, never by what pays. How this site is funded.
Every time
- A certified solar filter over the FRONT of the instrument, fastened so it cannot slip or blow off.
- Cap or remove the finder. It is a second telescope, and it has no filter.
- Never a filter at the eyepiece end: the concentrated sunlight there can crack it in an instant.
- With children, an adult is there every time.
- Never look, or point, without the filter on. Check it before each use; a scratched or torn filter goes in the bin.
- Measure before ordering. A cell that sits loose can fall off.
Sources for the Sun
- American Astronomical Society — How to View a Solar Eclipse Safely — filters on optics go on the front; eclipse glasses never with optics; children supervised
- American Astronomical Society — Solar Filters for Optics — eyepiece filters are dangerous; the finder capped, removed or filtered; the filter attached securely
- American Astronomical Society — About the ISO 12312-2 Standard — EN ISO 12312-2:2015 covers naked-eye viewers only; no international standard covers filters on telescopes, binoculars or lenses
- Société astronomique de France — Guide des observations solaires — a filter at the front, never one screwed into the eyepiece, the finder capped
- NASA — Keep Your Eclipse Glasses to See the Sun's ‘Freckles’ — a large enough sunspot shows through eclipse glasses
- AAVSO — Le Guide d'Observation Solaire de l'AAVSO, v1.1 (2017), p. 6 — archived copy — “Les ouvertures plus grandes que 100 à 125 mm sont généralement limitées par les effets de turbulence atmosphérique”; 50 to 80 mm is enough to count sunspots
The family it belongs to: 114–130 mm Newtonian on a manual equatorial mount
What it does well
- Once the mount is aligned roughly on the pole, one slow-motion knob keeps a planet in the field at high power
- It stands on its own tripod: no table, wall or crate to find
- The mount takes a motor on one axis, and some kits include it
What it costs you
- The mount moves in right ascension and declination, not up-down and left-right. From experience, that is confusing for the first nights, and the eyepiece ends up at awkward angles until the tube is turned in its rings
- 7 to 11 kg in three pieces — tripod, head with counterweight, tube — and a rough alignment on the pole every night
- The box rarely says whether the mirror is parabolic. At f/5 it must be: a spherical 130 mm mirror at f/5 misses the quarter-wave standard nearly four times over, while a spherical 114 mm at f/8 meets it. Arithmetic. A 'Bird-Jones' — 1000 mm of focal length in a tube half as long, with a lens in the focuser — is not this class
Worth knowing about this model
The motor follows the sky on one axis once the mount points at the celestial pole; aiming is still by hand. The 10 mm eyepiece gives 65× on 130 mm, an exit pupil of 2 mm; higher powers need a shorter eyepiece or a Barlow, and the spec table lists neither.
Everything about 114–130 mm Newtonian on a manual equatorial mount →
Same family, other sizes
Read next
- 130/900, 150/750 or a 150/1200 Dobsonian?The three forum favourites show almost the same thing. What separates them is what holds them up.Updated 23 Aug 2026
- Tabletop telescopes: which one, and for whomThe 76, the 130, where to put them, and what a tabletop telescope does not do.Updated 24 Sept 2026
- Which telescope should a beginner buy?The short answer, the three things the box does not say, then the detail by budget and by situation.Updated 24 Sept 2026
€359seen 7 Oct 2026 at Astroshop
Where to buy