1. Large Eyepiece Wide Field of View: 21mm large eyepiece, clear and bright, convenient observation, effectively relieve long term observation, BAK4 prism, high refractive index, transparent, clear and radiant imaging. 2. Sturdy and durable material: it is made of metal, it is sturdy and sluggish, can be used for long time and used in bad weather. You don't have to worry about damaging your camera so you can use it when traveling or in the wild. 3. DETAILS HIGHLIGHTS QUALITY: it features a focusing handwheel, revolves around the clarity, the high precision is more comfortable, the eye skin is rotated, the imaging is pure, parallax adjustment, the eyecatching performance and difference size are adjusted. These details make it great. 4. Can be used in multiple scenes: with our telescope, you can observe birds, people, the moon, concerts, events, etc. Its ultrahigh resolution allows you to not only appreciate them from a distance, but also distinguish the texture of beautiful feathers. Each observation scene brings you a different experience.