1.It provides clear and bright images and vision, and is also suitable for activities such as mountaineering, hiking, animal observation, camping, tourism, concerts, ball games, viewing, driving, outdoor exploration, etc. You can enjoy the beautiful scenery in the distance. 2.16mm large eyepiece &42mm large objective lens The 10-30x42 ZOOM telescope is equipped with a larger eyepiece and objective lens than a normal ZOOM telescope, guaranteeing more light transmittance and a brighter and larger field of view. Share the natural beauty and animal scenery of up to 325 feet/1200 yards away with your friends or relatives. 3.This 10-30X42 Good- Power Magnification ZOOM telescope provides a bright and crisp image and different fields of view. 430ft/1000yards large field of view. Perfect for Hiking, Climbing, Bird watching, Ball games, Concerts, Travel, Watching Scenery. 4.This 30×50 ZOOM telescope is suitable for both adults and ren. It provides clear and bright images and vision, and is also suitable for activities such as mountaineering, hiking, animal observation, camping, tourism, concerts, ball games, viewing, driving, outdoor exploration, etc. You can enjoy the beautiful scenery in the distance.