This spotting scope offers 20x to 60x variable magnification and dynamic lens focusing system to meet your various requirements for watching sport games, viewing wildlife, hiking Fully multi-coated lens and BaK4 prism coatings to make you obtain brighter, clearer images. Magnesium Alloy Body is strong and durable, but lighter weight than traditional aluminum alloy housings. Twist-up Eyecup-Adjustable eye cup that twists up and down for comfortable viewing with or without eyeglasses. All Eyeskey Optics Products Have Been Covered by a one year Warranty.