Children's binoculars toys explore the physical world gifts for boys and girls product details Eyepiece diameter: 14mm Magnification: 8 times Field of view: 126/1000M pupil diameter: 2.75mm Focusing type: center focusing lens diameter: 21mm pupil distance: 12mm color: blue material: plastic product details A telescope is an optical instrument that uses a concave lens and a lens to observe distant objects. It uses the refraction of the light passing through the lens or the reflection of the light by the concave lens to enter a small hole and converge into a focused, which can be observed through the eyepiece ★Super safe: The included soft rubber surround eyepiece can the eyes, so that children will not hurt the eyes or face. Other brands do not have this function! Compared with other brands of glasses, there is an extra coating around the eyepieces, which can provide better protection for the lenses when dropped. ★Advanced design: non-slip grip, the grip has obtained ergonomic patent design, suitable for children's hands. It is easy to focus and can adapt to adult eyes like a child. The leaves of a tree 100 yards away became clear. ★Shockproof: The binoculars can withstand from the floor because the rubber coating absorbs the shock. If you accidentally on the ground, use shock-resistant rubber to the binoculars from damage. Other brands do not have this function! ★Crystal clear vision: green coating optical system can control optical reflection to create clear and colorful images. This product ensures that the user can see the entire field of view and easily capture objects with a 7.2° viewing angle. Multi-layer broadband coating technology makes the scene you see more realistic. ★Real children's binoculars: This product has a super magnification of 8 times and enjoys an amazing field of view. The binoculars can be adjusted to easily match each child's eye distance. Very suitable for bird watching, learning, hunting, watching, horse riding, hiking, traveling and enjoying the wilderness! Product contains 1x children's telescope