The part that decides whether pointing is a pleasure · review
A 9x50 right-angle finder with a multi-coated achromatic objective, a prism that delivers a correctly oriented image and a crosshair eyepiece, supplied with clamping rings.
The bottom line The right optical specification for a finder, behind the shortest listing on this shelf.
A multi-coated achromatic 50 mm objective, a prism for a correctly oriented image, a crosshair eyepiece, and clamping rings in the box. That single sentence names the four things that matter about a finder — which is more than some five-bullet listings here manage.
Most angled finders invert or mirror. This one states a correct image, which means what the eye sees in the finder matches what a printed chart shows. For star-hopping, that removes the single most common source of confusion.
A 5.6 mm exit pupil and enough aperture that the brighter clusters appear directly. As an upgrade from a 5x24 supplied finder, this class of instrument changes what a telescope can find.
Rings are included. The shoe that holds them to the telescope is not described, and shoes vary between makers. Measure before ordering.
German, French, Italian and Spanish Amazon stores ran from 53 € to 74 € on the day of the survey.
British Amazon catalogue holds a record for it that nobody is selling.
American Amazon store gave no result whatever, so the buy button there opens a search rather than an empty page.
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 | 50 mm, multi-coated achromatic per the maker |
|---|---|
| Magnification | 9x |
| True field of view | Not published by the maker. |
| Image orientation | Correct image, via a prism — stated by the maker |
| Bracket fitting | Clamping rings included, per the title |
| Reticle illumination and eye relief | 5.6 mm — 50 divided by 9 · Crosshair in the eyepiece |
| Amazon reference | B0GQ4KBHDV (same reference on 5 Amazon marketplaces) |
| EAN | 6032586390040 |
Because a finder that inverts or mirrors the sky forces the observer to translate every star hop in their head. A correct-image finder lets a printed chart be used directly, which is exactly when a beginner stops getting lost.
Rings are supplied; a shoe is not described. Finder shoes are not standardised between makers, so the bracket that attaches those rings to the tube is the part to check before ordering.
9x magnification · 50 mm objective · 90° viewing angle
A 9x50 angled finder with achromatic multi-coated optics, a 90-degree viewing angle and two-screw-and-spring alignment.
Best for: A telescope that regularly points high, where a straight finder is painful to use
≈ $69 / £72 / €95
8x · 50 mm · illuminated reticle · upright image
An 8x50 finder with an illuminated reticle and an upright image, listed in two short lines.
Best for: Centring faint objects, where a dark crosshair on a dark sky is unusable
≈ £149 / €146
6x magnification · 30 mm objective · crosshair
A straight-through 6x30 optical finder with a crosshair and a wide field, described by the maker as gathering eighteen times more light than the unaided eye.
Best for: Replacing a 5x24 finder on a small telescope with something that actually shows stars
≈ £41 / €44
