A welcome addition to Canon's esteemed RF lens line up, the Canon RF 100mm F2.8L Macro IS USM Lens is a feat of optical performance and engineering. The lens's complex and intricate optical structure comprised of 17 lens elements arranged into 13 groups. This includes a floating focusing lens system that is driven by a Dual Nano USM autofocusing system that delivers lightning-fast, smooth and accurate AF performance with a near-silent operation. A defining feature of this lens is the addition of a specially designed Spherical Aberration Control ring that offers enhanced and expressive control of depth of field and bokeh, allowing you to alter the look of your bokeh and defocus both in front and behind your subject. As well as this, the lens provides up to 5-stop of image stabilisation compensation, and this can be increased when pairing this lens with a compatible RF-Mount Canon camera that features IBIS. Again, this lens is a feat of engineering and photographic understanding.