Refracting celestial telescope. This kind of telescope uses lenses to produce a magnified view of a distant object. Here,the telescope has a focal length of 700mm,with a front glass (objective) of 60mm diameter. This telescope also features a 90-degree prism to allow comfortable viewing when the telescope is pointed upward and a small 'spotter' scope used for approximate pointing | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4299 px × 4299 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |