Compact proportions with a powerful zoom range of 11x make an ideal general purpose zoom for photographers on the go great low light performance is assured by a 4 stop image stabilizer the ef s 18 200mm f35 56 is is a compact ef s lens with high magnification approximately 11x it features an 18 200mm zoom ratio and has a maximum aperture of f35 56 designed to appeal to entry level and advanced amateur users looking for a lens with an optical image stabilizer and large focal len