Optical system: refraction type, objective lens diameter: 70mm, focal length: 300mm, focal ratio: 4.29
Eyepiece 6mm 20mm, Bar lens 3 times, Erect image lens 1.5 times, Finder 5x24, lens: 0.965 inch lens
Length of main mirror: 300mm
Optical coating: multilayer coating, limit magnitude 12, resolution (Rayleigh): 1.74 arc seconds, resolution (Du Shi): 1.45 arc seconds, photographic resolution 162 lines/mm
Concentrating power: 131x, field of view: 12, linear field of view: 18.59m
Tripod: Aluminum alloy tripod
Total weight: 1.65kgPowerful Binoculars High Power Adult Kid Bird Watching Traveling Night Scopes Waterproof Range Finder Reflector Telescope Astronomical Science Refractor Tripod Astronomy Beginners Microscopes Monoculars professional