The RF 100mm F2.8 L MACRO IS USM is a truly versatile lens and a must-have for professionals, semi-professionals and photo enthusiasts who want to excel in macro, still life and portrait photography. The above-average magnification ratio of 1.4:1 is made possible by the internal focusing of the lens and the short flange focal length. It allows exceptional details to be captured at close range. The focal length of 100mm at aperture F2.8 is suitable for impressive portrait shots. Filter: 67mm filter, 730g, 81.5x148mm, incl. sun visor ET-73C, static clamp optional