Celestron Cometron 7×50 Astronomy Binoculars: Your First Look at the Night Sky
A telescope is a commitment. You need to set it up, align it, learn how to find objects through a narrow field of view, and hope you picked a night with decent seeing conditions. Binoculars skip all of that. The Celestron Cometron 7×50 lets you walk outside, look up, and within seconds you're scanning the Milky Way, tracing constellations, or picking out craters on the lunar surface with both eyes open and a natural sense of depth.
The 7× magnification is deliberately moderate, and that's the point. Higher magnification narrows your view and amplifies hand shake, making it harder to find anything in the first place. At 7×, the Cometron delivers a generous 6.8° field of view that lets you sweep across wide stretches of sky and keep objects in frame without constant repositioning. When a comet or satellite pass is predicted, you can pick it up quickly and track it smoothly.
Light gathering is where the 50 mm objective lenses earn their size. Larger glass collects more photons, and multi-coated optics across the lens surfaces reduce internal reflections so that light actually reaches your eyes instead of bouncing around inside the barrel. The result is brighter stars, better contrast against the dark sky background, and enough resolving power to separate individual stars in open clusters. The Porro prism design adds optical depth and delivers a wider effective aperture than a roof prism of the same size, which matters when every photon counts.
A 7.1 mm exit pupil matches the natural dilation of the human eye in darkness, which means your pupils aren't working harder than they need to and the full brightness of the image reaches your retina. Combined with a relative brightness rating of 50.41, these binoculars are specifically optimised for low-light observation rather than daytime use.
Each eyepiece has its own individual focus adjustment along with a ±3 dioptre correction range, so you can compensate for differences between your left and right eye without wearing glasses. Eye relief of 13 mm provides comfortable viewing for most users, including those who do prefer to keep their spectacles on.
The housing is built from aluminium wrapped in a rubber armour coating that absorbs minor impacts and gives you a secure grip on cold or dewy nights. The exterior carries a water-resistant rating that handles unexpected drizzle and heavy condensation, though these are not fully submersible. A tripod mount thread on the front hinge lets you attach the binoculars to any standard tripod for shake-free extended sessions, which makes a real difference during meteor showers or planetary conjunctions where you're watching for an hour or more.
In the box you get a woven nylon carrying case and a wide neck strap, so the binoculars are ready to grab and go the moment clear skies appear. Total weight is low enough to hang around your neck for an entire evening without strain.
Specifications
| Model |
71198 |
| Brand |
Celestron |
| Magnification |
7× |
| Objective Lens Diameter |
50 mm |
| Prism Type |
Porro prism |
| Lens Coating |
Multi-coated |
| Field of View |
6.8° |
| Apparent Angle of View |
6.8° |
| Exit Pupil |
7.1 mm |
| Relative Brightness |
50.41 |
| Eye Relief |
13.0 mm |
| Focus Type |
Individual focus (manual) |
| Dioptre Adjustment |
±3 dioptres |
| Low Light Performance |
Yes |
| Housing Material |
Aluminium with rubber armouring |
| Water Resistance |
Water resistant |
| Nitrogen Filled |
No |
| Mount |
Tripod adaptable |
| Colour |
Black |
| Carrying Case |
Woven nylon |
| Intended Use |
Stargazing / astronomy |
The simplest way to start exploring the night sky without the learning curve of a telescope. Buy the Celestron Cometron 7×50 binoculars online at NeonSales, delivered across South Africa.