How does the Rf-s 18-45mm f/4.5-6.3 Is Stm Lens stand out in the crowded field of camera lenses This innovative lens, part of our new Rf-s line, is designed specifically for smaller Aps-c sensors, and when paired with a full-frame Eos R camera, it automatically enables the 1.6x crop mode. This compact, lightweight lens offers a versatile zoom range (35mm equivalent - 29-72mm coverage), making it an ideal choice for everyday use. Its clever lens retraction mechanism and compact size ensure it fits easily into your camera bag, ready to capture life's spontaneous moments. The Rf-s 18-45mm f/4.5-6.3 Is Stm Lens boasts 100% x 100% Dual Pixel Cmos Af coverage for Aps-c sensors, and 80% x 80% Dual Pixel Cmos Af coverage for Full Frame sensors (in crop mode). This ensures sharp, high-quality images, whether you're shooting in a studio or in the great outdoors. The lens also features a lead screw-type stepping motor (Stm), providing smooth autofocus and quiet operation.