Omegon Pro Reducer 0.75x for RC Telescopes: Your RC a Stop Faster
A Ritchey-Chrétien at f/8 is sharp but slow: long exposure times and a narrow field of view. This reducer brings the f-ratio down to f/6, which nearly halves the exposure time and significantly widens the field of view.
This makes the RC more versatile: the same tube does small galaxies at f/8 and wider fields at f/6, with only this reducer as the change.


From f/8 to f/6
The 0.75x focal reducer shortens the effective focal length by a quarter. For an RC 203/1624, this means working at 1218 mm, and for an RC 254/2000, at 1500 mm.
Adapters included
The reducer comes with a 2-inch adapter and an M48 to T2 adapter, so both the plug-in and screw-in route are immediately available. The filter thread accepts a 2-inch filter.
Featured accessories
For Ritchey-Chrétien telescopes. Not suitable for visual use. Maintain the prescribed sensor distance for round stars down to the edges.
For whom yes and for whom no
- ✓ RC owners who want shorter exposure times
- ✓ Astrophotographers looking for a wider field of view on their RC
- ✓ Anyone who wants to use a pipe for two focal lengths
- Visual observers: this reducer is photographic
- ✗ Other telescope types: the correction has been calculated for RC optics
Specifications
| Suitable for | Ritchey-Chrétien telescopes |
| Reduction factor | 0.75x (f/8 to f/6) |
| Telescope silk | 2 inches |
| Camera side | M48 |
| Included | 2 inch adapter and M48 to T2 adapter |
| Filter thread | Yes |
| Visually deployable | No |
| Dimensions | 8.7 x 6.2 cm |
| Weight | 120 g |
You can find more correctors and reducers for this merk on the Omegon merk Page.







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