Telescope specificationsProject Type: Desktop Astronomical TelescopeEyepieces: H20 mm (15 times) and H6 mm (50 times) eyepiecesExtender: 1.5 times and 3 timesTotal magnification: 15X-150XObjective lens diameter: 70mmFocusing device: focal length 300mmWith lens cap and eyepiece capTripod height: 390mmProduct weight: 3.5 poundsProduct Size: 14.57 x 15.35 x 16.69inchesProduct Material: PlasticPackage Included1 x Telescope Tube1 x 1.5x Upright Eyepiece1 x 3X Extender1 x Finderscope1 x Tripod (15 inches high)1 x H20mm Eyepiece1 x H6mm Eyepiece1 x Diagonal LensHow to assemble the telescope?(1) Extend the aluminum tripod feet to the maximum, until the center tube bracket is placed horizontally.(2) There is a mounting bayonet at the bottom of the telescopic lens barrel. Insert this bayonet into the slot on the top of the tripod.(3) Turn the knurled knob on the tripod head to tighten the tube around the tripod.(4) Screw the aiming control arm into the threaded hole on the back of the base(5) Place the diagonal mirror on the end of the telescope tube(6) Place the 20mm eyepiece (20mm marked on the eyepiece) in the diagonal lens(7) Remove the cover from the big head of the telescope(8) F30070M can now be used.