There are several characteristic elements of the Canon EF-S 15-85mm f/3.5-5.6 IS USM lens, including a wide range of zooms that allow you to take advantage of the image stabilizer, wide angle and telephoto lenses in order to obtain high quality and impressive effect. Present on the market since 2009, it features focusing thanks to an ultrasonic AF motor. Excellent construction materials that ensure solidity to this lens even if it is not light for prolonged use. The real strengths of this lens are found in the various functions it has which make it ideal for 360 degree use. Many photography enthusiasts even consider it indispensable when traveling to avoid having to constantly change lenses. The scrolling of the zoom ring and the autofocus speed are excellent; even the image stabilization does not fear comparisons with more recent models equipped with cutting-edge technology. Furthermore, the viewing angle is wider than similar products in the same category, which is why it ensures shots with a wider scene than the standard, offering greater perspective and space to the photo. Ultimately we are faced with a qualitatively valid lens, equipped with considerable flexibility and incredible image quality. Thanks to the different functions it has, it is certainly to be considered one of the best supports for the work of professional and non-professional photographers.