Omegon 114/1368 Cassegrain Newtonian: compact planetary specialist for balconies and fixed setups
The Omegon 114/1368 Cassegrain is a specialist: 114 mm aperture with a long focal length of 1368 mm (f/12) in a short, closed tube. The classic Cassegrain design works entirely with mirrors, thus without chromatic aberration, and delivers the high contrast that planets, double stars, and the Moon demand.
This is a standalone tube (OTA) without a mount: light enough for a medium-duty mount and compact enough for a balcony or permanent setup.
f/12: made for high magnification
With a 10 mm eyepiece you are already at 137x and with a 7 mm eyepiece at 195x, just below the practical maximum of about 230x. The long focal length makes high magnifications achievable with ordinary eyepieces, without Barlow stacking.
Even for beginner planet photographers, f/12 is interesting: the image scale is directly suitable for capturing images of the Moon and planets with a camera on the 1.25-inch holder.
Closed and low-maintenance
The sealed tube keeps dust out and the centered optics require little maintenance. This makes it an instrument you can use for years without hassle, even under city lights: planets and the Moon are largely unaffected by light pollution.
Included
- Cassegrain optics 114/1368 (tube only)
- 1.25-inch eyepiece holder
Featured accessories
The Omegon Cronus 7 mm eyepiece (€79) provides 195x magnification for planetary detail, and the Omegon 7-21 mm zoom eyepiece (€69) offers stepless magnification from 65x to 195x. An Omegon Premium moon filter (€19.90) dims the bright Moon. Additionally, plan on a stable equatorial or sturdy azimuthal mount; the long focal length will magnify any vibrations.
Never look at the sun through a telescope without a certified solar filter: this can cause permanent eye damage within a second. For the partial solar eclipse on August 12, 2026, the Bresser solar eclipse glasses (€3.20) are the safest way to watch with the naked eye.
For whom yes, for whom no
Suitable for: Advanced observers and beginner planet photographers with limited space, from balconies to permanent setups. Not suitable for: Those seeking deep-sky or wide-field views; f/12 is too slow and the field of view too narrow for that. Compare via the Choice assistant. Meer Omegon stands on the merk page.
Specifications
| Feature | Value |
|---|---|
| Opening | 114 mm |
| Focal length | 1368 millimeters |
| Opening ratio | f/12 |
| Optical design | Cassegrain (mirror optics, closed tube) |
| Execution | OTA (loose tube, without housing) |
| Ocula Connection | 1.25 inches |
| Light output | Around 265x more than the naked eye |











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