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BORG 107FL F3.9ED Astrograph Complete Set
Borg fluorite apochromatic refractor 107FL f3.9 with ESATTO 3"
BORG 90FL F3.9ED Astrograph Set
Description
BORG 90FL F3.9ED Astrograph Set
- Feather Touch Focuser (FTF-3215B-A) as standard
BORG 90FL F3.9ED Astrograph Set Complete Set with Esatto Focuser
The Esatto set comes with following
115mm PLUS support rings PLLANSU115
3" Esatto Focuser
SKU
borg-90fl-f3.9ed-astrograph-set
Specifications
- 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
- 3.6kg
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