This lens is an EF 28-135mm 3.5-5.6 IS USM
Built in gyro sensors control an image stabiliser group of elements within the lens
Standard zoom lens with an Image Stabilizer and high zoom ratio. With the Image Stabilizer turned on, you can obtain sharp, natural looking pictures in dim lighting without using flash or a tripod. Very handy for places where flash is prohibited. Uses ring-type USM for swift, silent autofocus and full-time manual focus.