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Amazon.com : Konus 60X 900mm Konuspace-7 Telescope : Educational And Hobby Microscopes : Sports & Outdoors
![Konus 1780 Newtonian telescope diam. 4.5", focal 500 mm with R.A. motor drive, diameter 114 mm (4".5), focal lenght 500 mm (20"), focal ratio f/4.4 (1780, KONUSMOTOR 500) Konus 1780 Newtonian telescope diam. 4.5", focal 500 mm with R.A. motor drive, diameter 114 mm (4".5), focal lenght 500 mm (20"), focal ratio f/4.4 (1780, KONUSMOTOR 500)](http://salestores.com/stores/images/images_747/KONUS1780.jpg)
Konus 1780 Newtonian telescope diam. 4.5", focal 500 mm with R.A. motor drive, diameter 114 mm (4".5), focal lenght 500 mm (20"), focal ratio f/4.4 (1780, KONUSMOTOR 500)
![Konus 1781 model KONUSMOTOR-500 Motor Electronic Newton 114mm - 4.5" Telescope, Newtonian reflector Optical Design, 4.5" - 114mm Optical Lens Diameter, 19.7" - 500mm Focal Length, f/4.3 Focal Ratio, 230x Maximum Useful Konus 1781 model KONUSMOTOR-500 Motor Electronic Newton 114mm - 4.5" Telescope, Newtonian reflector Optical Design, 4.5" - 114mm Optical Lens Diameter, 19.7" - 500mm Focal Length, f/4.3 Focal Ratio, 230x Maximum Useful](http://salestores.com/stores/images/images_747/Konus1781.jpg)