This lens has a true macro magnification ratio of 1:1, meaning the object you are photographing will be life-size on the sensor Hybrid Image Stabilizer system to counteract regular angular shake and lateral shift-shake especially designed for macro photography The in-built Ultra-Sonic Motor (USM) drives fast and quiet Auto Focus with optional full manual override A fixed and fast f/2.8 aperture for low light shooting and beautiful background blur Produce sharp, high-contrast images with Super UD (ultra-low dispersion) elements to suppress chromatic aberrations Part of the Canon professional L-series flagship range, its designed for robust handling and resistant to dust and moisture Compatible with all Canon DSLR cameras and EOS-M mirrorless cameras with an EF-EOS M Mount adapter The EF 100mm f/2.8L Macro IS USM has a true macro magnification ratio of 1:1, a versatile lens its perfect for both portrait and macro photography with a fast, fixed aperture for shallow depth of field with bea