Celestron OMNI Plössl 6mm eyepiece 52° 1.25″
Looking for an eyepiece that takes your planetary observing to the next level? The Celestron OMNI Plössl 6mm is exactly what you need. The OMNI series represents a significantly upgraded class of Plössl eyepieces, combining the proven four-element design with modern optical coatings. The result is a sharp, high-contrast image with minimal optical aberrations - an ideal choice for detailed observation of the Moon, planets and double stars.
Optical design and coatings
The Celestron OMNI Plössl 6mm uses the classic symmetrical Plössl layout - 4 elements arranged in 2 groups. This geometry provides excellent correction of chromatic and spherical aberration, while the 52° apparent field of view offers comfortable observing. All optical surfaces feature fully multi-coated (FMC) anti-reflection coatings, which maximise light transmission and minimise unwanted reflections and ghosting. With short focal length eyepieces such as this 6mm, high-quality surface treatments are absolutely essential for maintaining contrast at high magnifications.
Build quality and construction
The inner surfaces of the barrel are double-blackened (anodised), which effectively eliminates stray reflections inside the eyepiece body. The outer surface has an INOX finish, ensuring durability and long service life even with intensive use in the field. A standard 1.25″ filter thread is included as a matter of course - planetary, lunar or narrowband filters can be attached without any issues.
Performance and compatibility
With a focal length of 6mm and an eye relief of 5mm, this eyepiece is optimised for high magnifications. The 5mm eye relief is comfortable for most observers, although eyeglass wearers are advised to verify compatibility with their specific type of glasses for extended sessions. The eyepiece fits any telescope with a standard 1.25″ focuser - whether a refractor, Newtonian or Schmidt-Cassegrain.
Who is this eyepiece for?
The OMNI Plössl 6mm is an excellent choice for astronomers who want to get the most out of an accessible telescope when observing the Moon and planets. It also serves as a reliable "framing" eyepiece when locating and centring objects before switching to higher magnification. Thanks to the standardised 1.25″ diameter and the built-in filter thread, it is a versatile companion that fits easily into any eyepiece collection - whether you are just starting out or rounding off an existing set.
The Celestron OMNI Plössl represents a sensible investment in optics that truly delivers: precise craftsmanship, reliable FMC optics and a robust OMNI-series body will give you years of trouble-free viewing of the night sky.
Technical specifications
| Parameter |
Value |
| Focal length |
6mm |
| Apparent field of view |
52° |
| Barrel diameter |
1.25″ |
| Eye relief |
5mm |
| Optical design |
Plössl - 4 elements in 2 groups |
| Coatings |
Fully Multi-Coated (FMC) |
| Filter thread |
1.25″ |
| Body finish |
INOX |
| Inner barrel |
Double-blackened (anodised) |
