F40040 Child Astronomical Searching Student Adult Star HD Telescope Outdoor Toys Party Set Fun 4. If you want to use an lens for magnification, please install it between the eyepiece and the lens barrel to view the celestial body (for specific operations, please refer to the manual)Supervisor color: silveWeight: about 1.3 kg 2 Eyepiece: 20mm / 12.5mm 2. Insert the lens into the focusing and fix it with the corresponding screws. 1. Pull out the support foot, install the telescopic on the front fork frame, and then use the large locking screw to adjust ust. 3. Install the eyepiece and on the main lens barrel and fix them with the corresponding screws. 90 mirror English manualLens length: 40cm lens diameter: 40mm mirrorCarton size: 38cmx20cmx9cmThis is a small refracting astronomical telescope, which does not take up space and is suitable for beginners. It is equipped with 2 eyepieces with different magnifications. It allows you to freely match and observe objects of different distances and sizes. For novices, such as students and children, suitable magnification, simple functions and easy-to-operate operations are the best choices. The requirement of high magnification is too high, staring too far, can’t see clearly, such requirement is almost unsatisfactory, and it is also unfavorable for children Moderate size, easy to carry and easy to operate. Although it is used by students and children, it does not need to be colored. The combination of black and silver shows mystery and and protects children’s eyes from harm. The product quality is good, and standard optical glass lenses are not easy Break off