90X Refracting Astronomical Telescope 90 Celestial Mirror Clear Image

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.