Size Name:Space Astronomic Telescop ConvenientFeature: -Aperture: 76mm -Focal Length: 700mm -Oblique Mirror: 90 degrees -Aluminum Tripod -The Most Highly: 150cm Standard attachment contains: -Eyepiece: 4mm, 12.5mm, 20mm -1.5X/2X thelens -1.5X positive lens The formula: -Objective lens focal length/eyepiece focal length xmultiplier = maximum magnification -Objective lens focal length/eyepiece focal length = magnification Note: 1. Multiples of course are not the only, and it depends on the combination of factors aperture and focal length. (For example, if the window is big, the light is good, and the view is clear.) 2. When use 3Xlens, installedlens first, and then install the eyepiece. (When install thelens, we need to move out the lid on the installation device of eyepiece.) 3. We just can choose one eyepiece to install at the same time, so does thelens. For: Astronomy Color:White Package weight: 6kg Package Contents: 1 x Astronomical Telescop Convenient, 1 x finder 3 x Eyepiece, 1 x Tripod, 2 xLens, 1 x Moon Filter, 1 x screw set 1 x fine tuning dry 1 xU-shaped bracket 1 xAccessory tray bracket 1 x English User Manual Notes: 1.Due to the different monitor and light effect, the actual color of the item might be slightly different fthe color showed on the pictures. Thank you! 2.Please allow 1-3cm measuring deviation due to manual