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[69710] 71FL F4 Astrograph Set |
|---|---|
| Part # | 69710 |
| Description | 71FL F4 Astrograph Set |
| 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 | 1.4 kg |
| Filter | 72mm (front cap) & 48mm in front of reducer |
| Parts included | 2573, 7101, 7780, 7790, 7835 & 7872 |
| Notes | No camera rotator included. More convenient to convert to visual configuration. 2573 is the 71FL objective assembly without M57 extension tube |
