The 20mm eyepiece from the Omegon Ultra Wide Angle series is the perfect choice when you want a wide view of the sky. With 66° field of view, you get a wide image that beautifully highlights open star clusters, nebulae and star fields.
The five lens elements have a high-quality multicoating. As a result, this eyepiece provides a calm and clear image with high contrast. The large eye lens and the soft, flip-over eyecup ensure a relaxed and natural viewing position, even during longer sessions.
With a focal length of 20mm, use this eyepiece primarily for low magnifications. This allows you to view large deep-sky objects in their entirety or quietly explore an area of sky before switching to higher magnifications.
Key features
- 20mm wide-angle eyepiece with 66° field of view
- Ideal for low magnifications and wide deep-sky images
- Multicoating and five lens elements for bright, high-contrast images
- Large eye lens and flip-over eyecup for comfortable use
- 1.25″ mount with filter thread
Specifications
- Focal length: 20 mm
- Barrel: 1.25″
- Apparent field of view: 66°
- Eye relief: 14.8 mm (comfortable eye relief)
- Optical design: 5 elements, multicoating
- Filter thread: yes
- Eyecup: flip over rubber
Observation goals
The 20mm eyepiece is ideal for getting wide deep-sky objects such as open star clusters, the Andromeda Nebula or the Orion Nebula fully in focus. An excellent choice for a calm and panoramic image at low magnification.








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