The carson hu-20 is a universal handheld magnifier with 2x magnification and a large lens area. this xl handheld magnifier with classic grip has a lens diameter of 130mm, making it the largest lens in the handheld magnifier series. the 2x magnification combined with the large lens allows you to get a large area closer.  The magnifier features a plastic housing; the lens is made of crystal clear acrylic. unlike glass lenses, acrylic lenses are lighter in weight and have higher scratch resistance.  Usage carson hu-20 This universal hand magnifier is a suitable accessory for many applications. you can use it for observations in nature, for example for viewing insects or plants. in addition, you can also use the magnifying glass while reading, tinkering, viewing jewelry, electronics, and so on!