Variable 25x to 75x magnification and dynamic lens focusing system makes it easy to zoom in. Perfect for archery, bird watching, wildlife watching, hiking, camping, scenery, outdoor sporting, astronomical observation etc. Fully multi-coated 60mm green film objective lens provides a field of view at 40M/19.2M-1000M. The quality BAK4 Porro prism optics increases light transmission and make your view brighter, clearer and delivers crisp images. Nitrogen filled waterproof and fog-proof design enables the scope to withstand the toughest environments. Framework and Rubber Armor provide non-slip grip, shock-proof grip and durable external lasting protection. The eyepiece shield can be stretched out to protect the eyepiece. A smartphone digiscoping adapter included enables you to take photos and videos of what you have observed. Bring the nature closer to you and you can explore the distant world easily through the phone screen. A tripod provides you a more stable observation from any angles. A carry bag, eyepiece and lens protection covers, cleaning cloth make you more convenient to carry and maintain.