Sigma Lens offers a large f/1.4 aperture that provides smooth bokeh. This Art lens for Canon is made of a thermally-stable composite material that makes it light and durable. The Sigma 85mm f/1.4 DG HSM Art Lens for Canon is specially designed to give each of your shoots a much-needed pro touch. With its compact and lightweight construction, this Sigma lens is the perfect choice for on-the-go shooters. This lens offers a large f/1.4 aperture that is ideal for capturing images with an exceptionally shallow depth of field and smooth bokeh. The lens uses two SLD elements, one anomalous partial dispersion/high-refractive index element, and one aspherical element that minimize aberrations and ensures a crisp, clear image. All the more, the super-multi-layer coating helps by suppressing flare and ghosting. This lens comes with a Hyper Sonic AF motor that offers fast, accurate focusing and a large focusing ring permits manual focus override for making fine adjustments. With the 9-blade diaphragm, you can create round, smooth bokeh. The lens is made of a thermally-stable composite material that makes it light and durable. The 85mm prime offers an apparent focal length of approximately 136mm. The perfect amalgamation of short telephoto design and a fast f/1.4 aperture lets you click or shooting both still images and HD video in low light scenarios Physical Features Key Features Type: SLR Lenses Magnification: 0.12x Focal length: 85 mm Color: Black Aperature Range: Maximum: f/1.4, Minimum: f/16 Weight: 1130 g Dimension(DxL): 94.7 x 126.2 Cutting-Edge Functionality This fast and compact Sigma 85mm f/1.4 DG HSM Art Lens is sure to cater all your point-and-shoot requirements. The telephoto design with a fast f/1.4 aperture offers an excellent option for clicking a picture or shooting HD video in low light scenarios. Thanks to the super multi-layer coating, this lens lets you click minimize lens flare and ghosting. It contributes to producing contrast-rich and color-neutral imagery, even in backlit conditions. The 85mm prime delivers an apparent focal length of approximately 136mm. All the more, rounded 9-blade diaphragm offers a round and smooth bokeh effect. The integrated Hyper Sonic Motor supports quick and quiet autofocusing for super fast captures. Lightweight and Sturdy The Sigma Lens is compact, lightweight, and easy to tote around. Toss this optic in the gear bag without hesitation. The bayonet mount is constructed from brass for ensured accuracy and durability. The lens is constructed of a Thermally Stable Composite material along with traditional metals for greater precision and use in wide temperature variations.