A big mirror on a box that costs almost nothing · review
A 203/1200 Newtonian on a Dobsonian base — the largest aperture in this group, sold with an accessory set and a mount with nothing to align.
The bottom line The most light-gathering instrument in this group and the simplest mount, at the cost of bulk that decides how often it goes outside.
Light. Compared with the 130 mm instruments on the same shelf, a 203 mm mirror collects roughly two and a half times as much, and faint extended objects are exactly what that helps. At f/5.9 the field stays usable and the ratio is forgiving enough that ordinary eyepieces hold up.
A rocker box: up, down, left, right, on Teflon-style bearings. There is no polar alignment, no counterweight, no electronics and nothing to level beyond standing it on firm ground. That simplicity is why the design has survived unchanged for decades.
A 1200 mm tube plus a base is two trips to the garden and a decision about where it lives. That is not a criticism of the telescope; it is the single factor that most reliably predicts how many nights it is used.
The accessory set is mentioned and never listed. No eyepiece focal lengths, no finder type, no collimation tool. At 203 mm, collimation is the maintenance task that decides how much of the aperture actually reaches the eye.
German, French, Italian and Spanish Amazon stores ran from 529 € to 559 € on the day of the survey.
American and British Amazon catalogues hold a record for it that nobody is selling.
Figures as Keepa reported them on the day this page was last updated. Stock and pricing shift without warning.
Prices quoted in this text were read on 17 September 2026. The live price is at the top of the page.
| Aperture | 203 mm (from the title and bullets) |
|---|---|
| Focal length and ratio | 1200 mm (maker’s bullet) · f/5.9, the quotient of the two figures above |
| Base | Not published by the maker. |
| Bearing design | Not published by the maker. |
| Tube construction | Newtonian reflector on a Dobsonian base |
| Heaviest single part | Not published by the maker. |
| Eyepiece height | Not published by the maker. |
| Amazon reference | B073XZPRZZ (same reference on 6 Amazon marketplaces) |
| EAN | 4049467538028 |
Against a 130 mm it collects about two and a half times the light, which is arithmetic on the two areas. In practice it is the step at which many galaxies stop being smudges and start having shape.
Not by itself. It is a manual alt-azimuth mount, and the target drifts. At low power that is a nudge every minute or two; at high power it is constant attention, which is the trade for the simplicity.
130 mm parabolic mirror · tabletop Dobsonian
A 130 mm parabolic Newtonian on a manual tabletop Dobsonian base with Teflon bearings, steered by the maker’s smartphone sky-recognition app.
Best for: A beginner with somewhere solid to stand it who wants aperture without a tripod
≈ $430 / £299 / €400
76 mm aperture · 350 mm focal length
A 76/350 tabletop Dobsonian sold pre-assembled, with two eyepieces, a Barlow and a Moon filter.
Best for: A very compact first telescope for a child or a small flat
≈ £113 / €142
130 mm parabolic mirror · 650 mm focal length
A 130/650 parabolic Newtonian on a wooden tabletop Dobsonian base, with a collapsible tube, a red dot finder and two eyepieces.
Best for: Somebody who wants a real 130 mm mirror that stores in a cupboard
≈ £264 / €273
