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[71FTF4] 71FL F4 Astrograph Set (Feather Touch Focuser)
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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. |