Vixen Smartphone camera adapter for afocal imaging with Smartphone features size between 58 mm and 110 mm (2.29" and 4.33") in width (minor axis lenght), between 108 mm and 200 mm (4.26" and 7.87") in height (major axis lenght), a thickness of less than 15 mm (0.59").
National Geographic 20x stereo-microscope features incident light stereo microscope for detailed examination of minerals, coins and stamps. 20x magnification, incident LED light. 12 mineral samples are included.
Beginner's microscope for all ages. National Geographic 40x-1280x biological microscope with Smartphone holder. Features incident and trasmitted light, objectives 4x - 10x - 40x and accessories.