The 150-600mm f/5-6.3 DG OS HSM Contemporary Lens from Sigma is designed for Canon EF-mount cameras and brings versatile super telephoto zoom focal lengths in a compact, weather-resistant package. The full-frame lens features an aperture range from f/5-6.3 to f/22 and utilizes one FLD and three SLD elements. Also, this lens features a Hyper Sonic Motor for fast, quiet autofocus and has an Optical Stabilizer with an accelerometer for improved panning performance. The lens barrel features two main switches, one that can lock the zoom at any focal length and a manual focus override for additional control. The lens also has a minimum focusing distance of 110.2 inches and a rotatable tripod collar. It is compatible with the Sigma USB dock for firmware updates and focus micro adjustment and comes with a lens hood, case, and shoulder strap. Works with Sigma’s Global Vision line of teleconverters Lens construction with 20 elements in 14 groups Water and oil-repellent coating on the front and rear elements F Low Dispersion, or FLD, glass is designed with performance similar to fluorite elements with a low refractive index and low dispersion for clearer and sharper imagery Special Low Dispersion, or SLD, glass elements assist in providing greater clarity and contrast to an image Maximum magnification ratio of 1:5 Features a front 95mm filter thread It is 4.1inch wide by 10.2 Inch long