About this product
Part Number: borg-90fl-f3.9ed-astrograph-set
Japanese made Borg 90FL f/3.9 Astrograph features a premium quality Fluorite objective from Canon with 115mm tube diameter.
Includes a Starlight Instruments Feather Touch 2" dual speed focuser with 2" of draw tube travel and a compression ring.(FTF-3215B-A)
Modular Borg design allows you to reconfigure the scope for visual observing or to disassemble it for ultra portability.
BORG 90FL F3.9ED Astrograph Set
- 90mm CANON Fluorite
- Focal length : 350mm
- F-ratio : 3.9
- 6-element optical system, including one fluorite and one ED
- 55mm image circle
- 80.0mm backfocus (60.0mm from 7352)
- Illumination : 82% full frame / 77% 55mm diagonal sensor
- Feather Touch Focuser (FTF-3215B-A) as standard
- Physical length : 365mm
- Airline transportable padded carrying bag
- Tube Diameter 115mm
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