2. The objective lens adopts the new FMC optical coating, the visibility is clear and translucent, the color is no chromatic aberration and the transparency increases the ambient brightness, 1. Packing size: 125*65*12m, exit pupil di: 20 (mm), exit pupil diameter: 3.5 (mm), field of view: 114/1000m, objective lens diameter: 25mm, 4. In addition, they are specially designed to withstand daily wear and tear, so your child can enjoy them for a long time, 3. Eyepiece ultra-large aperture design high-definition blue film, surpassing the coating technology of the previous high-end telescope Particularly suitable for outdoor activities such as mountaineering, hiking, driving, wildlife viewing and scenic appreciation.