New from Sky-Watcher - the smallest member of their Esprit range of APO triplet refractors
The Sky-Watcher 70mm Esprit 70EDX Triplet APO Refractor is a professional instrument for the most demanding and exacting astrophotographers. The air spaced apochromatic triplet lenses have exceptional colour correction over the entire visible spectrum there is no chromatic aberration even on bright objects! Knife edge baffles reduce internal reflections and increase contrast, helping to bring out faint structure in deep sky objects.
Main Features:
- Air Spaced 70mm Apochromatic Triplet
- 490mm Focal Length
- Fully multi coated lenses
- Optional 0.92x Reducer Available
In The Box:
- 70/490 Apochromatic Refractor
- Retractable Dew Shield
- D Style dovetail Bar and rings w/handle
- Aluminium Foam-Lined Case
Specifications:
| Optical Design | Airspaced Apochromatic Triplet |
| Aperture | 70mm |
| Focal Length | 490mm |
| Focal Ratio | f/7 |
| Image Height | 44mm |
| Length after Lens Hood Retracted | 368mm |
| Total Length | 420mm |
| Optical Tube Weight | 3.2kg |
