Helping to pave the way for our RF-S lens line, the RF-S18-150mm F3.5-6.3 IS STM is an all-around lens that is ideal for creative photography and movies, the RF-S18-150mm F3.5-6.3 IS STM combines legendary Canon Optics with a versatile zoom range and quiet operation for flexibility on the go. This lens was designed with smaller APS-C sensors in mind, and when attached to a full frame EOS R camera, automatically enables the 1.6x crop mode.