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Details
The ProRC scope has the maximum possible level of light transmission to focal plane (no lenses absorption/reflection/scattering along light path). These performances make the RC, in most of the cases, the "perfect" scope for professionals, because they are usually interested in working with a visual wavelength range, with max performance over relatively small field of view.
Officina Stellare ProRC 500 f8 with ESATTO 4" - scope of delivery:
- Officina Stellare ProRC 500 f8
- ESATTO 4" robotic microfocuser
- Adapter ESATTO 4" for Officina Stellare ProRC, RiDK, RiFAst
- TC-01 electronic
- 2 Losmandy bars (one bottom and one top)
Technical specifications
| Optical Design | Ritchey-Chrétien |
|---|---|
| Optics | Primario e secondario iperbolici |
| Diameter (mm) | 500mm |
| Tube diameter | No |
| Focal Length (mm) | 4000mm |
| Focal Ratio | f8 |
| Field flattener/corrector | Not included (optional) |
| Optical Tube | Carbonio |
| Obstruction | 47% |
| Focuser | ESATTO |
| Eyepiece holder | No |
| Weight | 85 Kg |
| Hard/soft case | No |
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ESATTO as focuser for Ritchey-Chretien telescopes
ESATTO is the perfect focuser for Ritchey-Chretien telescopes, that are great instruments for deep-sky astrophotography at medium-long focal length. Ritchey-Chretien telescopes were, just a few years ago, very expensive but now, especially the models produced by GSO, are very affordable and allow any amateur astronomer to own and use a Ritchey-Chretien telescope. Unfortunately these telescopes comes standard with a focuser that has not the load capacity requested for the heavy cameras and accessories commonly used in deep-sky astrophotography: let's see how you can use ESATTO as a new and better focuser for Ritchey-Chretien.
