Omegon Premium 7.5mm-22.5mm 42°-66° 1.25″ Zoom Eyepiece
Jupiter sits in the field of view as a small, sharp disc. You turn the zoom ring - smoothly, without any catch. Cloud bands begin to appear, and then the Great Red Spot slowly comes into focus. This is exactly what the Omegon Premium zoom eyepiece delivers: image quality that matches a fixed focal length eyepiece, with the convenience of a single eyepiece covering your entire magnification range.
Sharp and bright across the whole field
The optical system uses eight lenses, all with a fully multi-coated anti-reflection coating. The result is a sharp, high-contrast image that stays clear across the entire field of view - not just at the centre, but right to the edges. Star clusters look sharp across the whole frame, not just in the middle. The eyepiece also handles fast telescopes with a focal ratio of f/5, where many competing eyepieces lose sharpness towards the edges.
A flat field with no distortion
The field of view stays flat and undistorted across the full focal length range of 7.5mm to 22.5mm. The night sky looks exactly as it should - with no barrel or pincushion distortion.
One eyepiece instead of a whole set
The 7.5mm-22.5mm focal length range covers most observing situations. With a 1,000mm focal length telescope, you get low to medium magnification. With a 2,000mm instrument, you reach medium to high magnification. The Omegon Premium zoom eyepiece replaces an entire set of fixed eyepieces - no need to swap eyepieces every time you want to change magnification.
Comfortable viewing - even with glasses
The eye relief of 18.5mm-19mm lets you observe comfortably without removing your glasses. The soft retractable eyecup adjusts smoothly and effectively blocks stray light from around your eye. Internal blackening of optical surfaces and a quality baffle system further reduce unwanted reflections inside the barrel.
Key specifications
| Parameter |
Value |
| Focal length range |
7.5mm-22.5mm |
| Field of view |
42°-66° |
| Barrel size |
1.25″ |
| Optical elements |
8 lenses |
| Coating |
Fully multi-coated (FMC) |
| Eye relief |
18.5mm-19mm |
| Eyecup |
Soft retractable |
| Suitable for glasses wearers |
Yes |
Who is this eyepiece for?
The Omegon Premium zoom eyepiece suits a wide range of observers - from beginners who want one reliable eyepiece to experienced observers who value convenience at the eyepiece without sacrificing optical quality. It works well on refractors, reflectors, and catadioptric telescopes alike.
Ideal for observing
- Planets - Jupiter, Saturn, Mars
- The Moon
- Open and globular star clusters
- Bright deep-sky objects
- Double stars
Why choose a zoom eyepiece?
A zoom eyepiece lets you start at a wide, low-magnification view to locate your target, then increase magnification smoothly - all without touching the telescope. This makes it especially useful when tracking planets or when observing conditions change quickly.
With sharp edge-to-edge performance and compatibility with fast telescopes, the Omegon Premium zoom eyepiece stands above basic zoom designs. It is a single, well-built optical tool that covers the magnification range most observers use most often.
