72617 ED80Sf
Classed as an “entry level” apochromatic ED refractor, the ED80Sf offers features found in some of the more expensive telescopes in the Vixen range.
A focal ratio is f7.5 and focal length of 600mm makes this a perfect “grab and go” refractor for those looking for a portable set up. To reflect this the telescope is supplied in a custom aluminium carry case.
Other accessories supplied include 9x50 finderscope, tube rings and dovetail mounting plate.
Shown with eyepieces sold separately
| Objective lens | 80mm ED Apochromatic, multi-coated |
| Focal length (Focal ratio) | 600mm (f4.5) |
| Resolving power, limiting magnitude | 1.45 arc sec., 11.3 |
| Light gathering power | 131x |
| Tube size & weight | (OD) 100mm x (L) 570mm, 3.4kg (7.5lb) |
| Finderscope | 9x50mm finder, field of view 4.8° |
| Adapter thread / visual back | 60mm on scope body. 42mm for T-mount and 31.7mm push-fit on flip mirror. 50.8mm option* |
| Accessories included | Dovetail adapter, tube rings, flip mirror & dot finder |
| Photography** | Prime focus, Eyepiece projection and afocal imaging |
*A 50.8mm mirror diagonal or a 50.8mm extension tube is needed to use a 50.8mm eyepiece. **Optional photographic accessories are needed.
