This is a small, space-saving refracting telescope for beginners. Equipped with 3 eyepieces of different magnifications. It allows you to freely match and observe objects of different distances and sizes. Medium size, easy to carry and easy to operate. The lens has anti-cosmic ray coating and anti-blue light coating to protect children's eyes from harm. Good product quality, standard optical glass lens is not easy to break. For beginners, such as students and children, the suitable magnification, simple function and easy operation are the . Magnification: 20X Objective Lens Diameter: 25mm Eyepiece diameter: 15mm Field of View: Wide Type: Monocular Prism Description: BAK4 Model Number: Professional Lens Coating Description: Focus Type: CENTRAL Weight: 450g Telescope: L: 47.5cm/18.7inch Rotatable Bracket: L: 32.5cm/12.8inch color:Red Material:Metal Package Contents: 1 x Astronomical Telescope Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.