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Borg fluorite apochromatic refractor 107FL f3.9 with ESATTO 3"
BORG 55FL F3.6 Astrograph Set – Feather Touch Version
Part # |
B5536FTF-SB |
Description |
55FL F3.6 Astrograph FTF-M57 Focuser Set (Sunrise Blue) |
Aperture |
55mm Fluorite |
Focal length |
200mm |
F-ratio |
3.6 |
Lens configuration |
6 elements in 5 groups |
Coating |
Fully multi-coated |
Physical length |
210mm |
Tube diameter |
80mm |
Weight |
1.2kg |
Filter |
48mm (7880) & 52mm (7000) |
Parts included |
2555, 55FL80B, 2 x 7026, 7051, FTF-M57, FTF-BORGII, 7880, 7352 |
Notes |
FTF-M57 is 7901 version |
[B5536FTF-SB]
55FL F3.6 Astrograph FTF-M57 Focuser Set (Sunrise Blue)
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