Omegon Pro Reducer 2.5-inch 0.8x Full Frame for RC Telescopes: full-frame reduction for the larger RC
Where the 2-inch RC reducer serves smaller sensors, this 2.5-inch version is designed for full-frame. The generous clear aperture illuminates the entire sensor without vignetting and the three-element optics keep stars round right into the corners.
The 0.8 focal reducer brings an f/8 RC to f/6.4: almost forty percent shorter exposure times and a wider field, without purchasing another tube.







Three lenses, fully multicoated
The three-lens system corrects field curvature while reducing. The full multi-coating keeps reflections of bright field stars out of the image.

For the larger RC tubes
De 2,5 inch bouw sluit aan op de ruimere focusers van grotere RC’s, waar een 2 inch reducer de lichtbundel al zou afknijpen voordat de sensor bereikt is.
Included
- Pro Reducer 2.5 inch
Featured accessories
Voor Ritchey-Chretien telescopen met een 2,5 inch of ruimere aansluiting en fullframe-camera’s. Houd de voorgeschreven sensorafstand aan voor correctie tot in de hoeken.
For whom yes and for whom no
- ✓ RC-bezitters met fullframe-camera’s
- ✓ Who is looking for shorter exposure times on a large RC
- ✓ Astrophotographers experiencing vignetting with 2-inch reducers
- ✗ Kleinere sensoren op kleinere RC’s: de 2 inch uitvoering volstaat
- ✗ Visual observers: this is a photographic reducer
Specifications
| Suitable for | Ritchey-Chrétien telescopes |
| Reduction factor | 0.8x (f/8 to f/6.4) |
| Format | 2.5-inch |
| Sensor format | Full-frame dead |
| Optics | 3 lenses, fully multi-coated |
| Weight | 400 g |
You can find more correctors and reducers for this merk on the Omegon merk Page.











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