Product name: AZM30070 Astronomical TelescopeObjective lens diameter: 70mm (2.75")Focal length: 300mm (F/4)Material: aluminum alloy + optical glassOptical system: refractionEyepiece: Low: 20mm (15X), High: 6mm (50X)Star finder: 5x24 with cross hair linesZenith mirror: 48 full erecting zenith mirrorConnection method: PTZ screwTripod: Aluminum alloy tripodPacking method: 45*22*11cmAccessories: photo clip, solar filmInstructions:1. Pull the supporting legs apart, install the telescope tube on the yoke, and lock the mirror with the fixing screw.2. Insert the reflector into the focusing tube and fix it with corresponding screws.3. Install the eyepiece on the reflector and fix it with the corresponding screws.4. If you want to use the 1.5x erecting mirror to magnify, install it between the eyepiece and the lens tube, so that you can view the celestial body.Precautions:Please do not observe the sun directly with the naked eye, remember to use a color filter or it will hurt your eyes. 1High-quality optics: Fully coated optical glass lenses with focal length of 400mm (f/5.7) and 70mm aperture, with high transmittance coating, can produce stunning images and protect your eyes. The ideal telescope for astronomers to explore the stars and moon. 2Magnification: Equipped with two replaceable eyepieces and a 3x extender. The 3x extender increases the magnification of each eyepiece by three times. The 5x24 viewfinder oscilloscope has a mounting bracket and crosshairs inside, which can easily locate objects. 3Wireless remote control: A smart phone adapter and a wireless camera remote control are included for free, allowing you to easily explore the nature of the world through the screen and take amazing celestial images. 4Adjustable tripod: This telescope has an adjustable aluminum alloy tripod and a carrying carton, which can be used in many different observation positions. The telescope and tripod can be placed in a bag for easy travel and storage. 5Easy to set up: No tools are required. Ready to complete in a few minutes! It is very suitable for camping, school, youth groups, travel, birthday gifts, office gifts. It makes it easy and fun to explore the stars and constellations in the night sky, or to explore wild animals during the day.