SKU : BG-B10739F
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Product Details
The BORG 107 mm F3.9 Astrograph is a very unique 4-inch portable telescope. Boasting a small size for easy transportation (including airline and overseas expeditions), this astrograph is the perfect telescope for those needing a portable, high-quality optical tube.
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specifications
Aperture | 107 mm (4.25") |
Back Focus | 80mm |
Corrected Image Circle | 55mm |
Dawes Limit | 1.08 arcseconds |
Focal Length | 417 mm |
Focal Ratio | f/3.9 |
Highest Magnification | 214x |
Light Gathering Power | 234x |
Limiting Magnitude | 13.9 |
Optical Design | Petzval Refractor |
Tube Length | 445mm |
Tube Weight | 9.5 lbs |
included items