Specification: Material: Aluminum + Plastic;  Color: silver;  Lengthf: 38.5cm;  Magnification: 90x;  Focal length: 360mm;  Light entrance aperture: 400mm;  Resolution: 1.99;  Optical system: refractive;  Application: Stargazing, Telescope;     H6MM: Magnification: 60x;  Magnification with 1.5x positive lens: 90x;  Eyepiece focal length: 6mm;     H20MM: Magnification: 18x;  Magnification with 1.5x positive lens: 27x;  Eyepiece focal length: 20mm;     Features: Quick installation;  F36050 newly upgraded 80EQ coating with high light transmittance, making observation scene more detailed;  Clear image, high definition;  Aluminum tripod, firm;  Wide range of use, can observe astronomy, sights, animals, etc.;     How to use (Instructions): 1. Attach the H20 eyepiece to the ceiling lens and fix it.  2. Initial observation, it is recommended to observe the land during the day and choose a large target.  3. Fine-tune the main lens barrel up, down, left, and right to find the observation target.  4. After locking the observation target, rotate the focus handwheel to adjust the sharpness.     Package included: 1x Telescope;  1x Ceiling mirror;  1x Tripod;  1x Eyepiece;  1x Teleconverter;  1x Screw;  1x Moon filter;  1x Lens cleaning cloth;  1x Manual;