Standard 85mm full frame lens for portrait, subject, architecture and landscape photography. Wide aperture of f1.8 with 9 diaphragm blades, designed to produce super smooth round blur effect (bokeh). Lens consturction is 9 elements in 6 groups with decent build quality, capable of delivering sharp and clear images. Angle of view is Diagonal:28.5°, horizontal:24°, vertical: 16° Compatible with Canon EF Mount cameras such as 5D 6D 7D Mark II 70D 80D 800D 1000D 1100D 600D 60D 450D 550D 5D3 5D4 Features micro USB firmware upgrade interface, enables you to upgrade the lens online Introducing the Meike 85mm F1.8 Full Frame Auto Focus Medium-Telephoto Portrait Lens, a high-quality prime lens designed for Canon EOS EF mount digital SLR cameras. This standard lens is ideal for portrait, subject, architecture, and landscape photography, with a wide aperture of f1.8 that produces super smooth round blur effects (bokeh). The lens construction is 9 elements in 6 groups, ensuring decent build quality and delivering sharp and clear images. It is also compatible with Canon APS-C frame EF-Mount cameras, with an equivalent focal length of 136mm. The lens features a micro USB firmware upgrade interface, enabling you to upgrade the lens online. The dimensions of the lens are 79 * 75 mm and it weighs 420g. The minimum focus distance is 0.85m and the filter thread size is 67mm. Experience the difference in your photography with this high-performance lens.