F40040N Astronomical Telescope Professional Stargazing HD Deep Space Adult Student High Power product description: This is a small refracting astronomical telescope， it does not take up space， suitable for beginner astronomers. It is equipped with 2 eyepieces with different magnifications. It allows you to freely match and observe objects of different distances and sizes.Moderate size， easy to carry， easy to operate， although it is used by students and children， but does not need to be colored， the combination of black and silver shows mystery and dignity， protects children's eyes from harm， the product quality is good， and standard optical glass The lens is not easy to breakFor novices， such as students and children， suitable magnification， simple functions and easy-to-operate operations are the best choices. The requirements for high magnification are too high， staring too far， can't see clearly， such requirements are almost unsatisfactory， and it is counterproductive to childrenMain tube color :whiteWeight: about 1.3 kg Carton size: 39CM * 20CM *9.5cm Viewing combination: 1.5x erect image lens + 20 mm eyepiece + viewfinder lens (complete erect image)Products include: Main tube: 45cm 2 Eyepiece: 20mm/12.5mm Finder tripod 90 degree erect mirror English manualUsage rules: 1. Pull out the support feet， install the teles tube on the fork frame， and then use the large locking screw to adjust. 2. Insert the lens into the focusing tube and fix it with the corresponding screws. 3. Install the eyepiece and the finder on the main lens barrel， and fix them with the corresponding screws. 4. If you want to use an upright lens for magnification， please install it between the eyepiece and the lens b