Monocular Telescope, Kids telescopes for Adults Astronomy,70mm Refractor Telescope with Tripod & Finder Scope,Low Light Waterproof HD,for Observe The Moon and Landscape

H20mm (eyepiece focal length)-can be combined with 15 times X (3x extender)-45 times H6mm (eyepiece focal length)-50 times can be combined × (3x extender) = 150 times *Refraction type/focal length: 300mm, clear aperture: 70mm * 15 times, 50 times can be grouped, 45 times, 150 times can be grouped with 3× extender. *Visual penetration: 11.23 *Theoretical resolution: 2.000 arc seconds, which is equivalent to seeing two objects at a distance of 0:970 cm at 1000 meters Powerful Binoculars High Power Adult Kid Bird Watching Traveling Night Scopes Waterproof Range Finder Reflector Telescope Astronomical Science Refractor Tripod Astronomy Beginners Microscopes Monoculars professional

• With 300mm focal length and 70 mm aperture to capture more light picture and optical glass coated for enhanced image brightness to protect your eyes.
• Magnification: Come with two replaceable eyepieces and 3x Barlow lens.3x Barlow lens trebles the magnifying power of each eyepiece.
• This telescope provides erect image optics, for terrestrial and astronomical use. The fully multi-coated optics glass lens with high transmission coatings creates stunning images and protect your eyes.
• Clear Weak Light Vision,can deliver clear vision in weak light condition, but not in not completely darkness.
• This telescope is quick and easy to set up even for the novice and will encourage kids to love learning about space, for kids who love science and astronomy!