High list tube telescopeModel: F30070M Maximum magnification of this model: 150 times (objective lens focal length eyepiece focal length * several barov multiples = maximum magnification) Aperture is the most important index that chooses telescope, aperture and clarity and price are proportional. A. functions: This one can gross weight about 2 kg and can see the circular island of the moon. (if you want to be exactly like, can refer to the store 70060 exactly like version,