Gskyer Monocular, 25x50 German Technology Monocular, Retro Compact 100% new, specialized supply for scientists to research professional astronomy and natural science, motor drive for the automatic tracking Gskyer brand has over 20 years history, we have been committed to the pursuit of perfection All-glass optical components with high transmission coatings for enhanced image brightness and clarity and stars Package size: 19.5 x 13 x 10.5/7.68 x 5.12 x 4.13 inch Package weight: 0.8 kg/1.76 lb.