Discontinued Borg Packages


 
[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.