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[71FTF4] 71FL F4 Astrograph Set (Feather Touch Focuser) |
|---|---|
| Part # | 71FTF4 |
| Description | 71FL F4 Astrograph Set (Feather Touch Focuser) |
| Aperture | 71mm Fluorite |
| Focal length | 280mm |
| F-ratio | 4.0 |
| Lens configuration | 6 elements in 5 groups |
| Coating | Fully multi-coated |
| Physical length | 330mm |
| Tube diameter | 80mm |
| Weight | 1.2kg |
| Filter | 72mm (front cap) & 48mm in front of reducer |
| Parts included | 2573, 7151, FTF-BORGII, FTF-M57, 7352, 7872 & 2 x 7085 |
| Notes | A set includes a pair of mounting rings. |
