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Type: | Refractor |
Aperture: | 90 mm (3.54") |
Focal length: | 1000 mm (39 in) |
Focal ratio: | 11 |
Receptacle: | 1.25" |
Coating: | Multi-coated |
Light gathering power: | 165x naked eye |
Resolution (Rayleigh): | 1.54 arcseconds |
Resolution (Dawes): | 1.29 arcseconds |
limiting magnitude: | 12.3 mag |
lowest reasonable magnification: | 13x |
highest reasonable magnification: | 213x |
Tube length: | 36 in (914 mm) |
Field of view: | 1° |
Total weight: | about 12 kg |
Altitude screw thread: | M8 |
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Reviews
Written by Yvan Mol
on 2017-10-10
"einfache bedienung."