The Rf-S14-30mm F4-6.3 Is Stm Pz lens combines excellent optics and high performance, providing an ultra-wide angle of view in a compact, portable package, perfect for Eos R-Mount cameras with an Aps-c sensor. The optical performance is highlighted by two Aspheric elements, and one Ultra-low Dispersion glass element. The Rf-S14-30mm F4-6.3 Is Stm Pz delivers reliable, speedy and quiet wide-angle performance, making it an ideal lens for video and still creators.Ultra-Wide-Angle ZoomThe Rf-S14-30mm F4-6.3 Is Stm Pz lens' wide-angle coverage (35mm equivalent of approx. 22-48mm) picks up right where you need it for getting everything you want into your scene, and then zoom-in for intimate product close ups. This zoom range is also convenient for shooting on-the-go, and in tight spaces.The Power to ZoomThe Rf-S14-30mm F4-6.3 Is Stm Pz lens features a Power Zoom function.