Meike STM Prime Lens 85mm F1.8 SE II Autofocus Portrait for Canon EF Mount Full Frame DSLR Cameras for Canon EOS 5D Mark IV, 6D Mark II, 90D, 80D, 6D, 7D, 1D, 5D3, 5D4, 70D

Compatible with: Canon EOS EF Bayonet Digital SLR Cameras 1D, 5D3, 5D4, 6D, 7D, 70D, 550D, 80D, 5D Mark III, 5D Mark IV, EOS-1D X Mark III, EOS-1D X, EOS-1D X Mark II Advanced Autofocus System: 85mm f1.8 SE II lens features an STM (stepping motor) autofocus mechanism reduce noise that delivers smooth, quiet operation while helping to minimize camera shake during image capture, and the optimal imaging distance: 1.5 to 5 meters, supporting high-resolution 8K capture with zero breathing, zero distortion for professional video work. The 85mm f1.8 SE II lens for canon EOS EF delivers exceptional optical performance with an aperture range of F1.8～F16 and use of 11 elements in 8 groups,, based on the previous generation, it features upgraded technology, effectively controlling flare and ghosting, excellent purple fringing (almost APO-level), excellent vignetting, and zero distortion Field of View: Provides full frame coverage with 23.4 degree horizontal, 10.8 degree vertical, and 27.8 degree diagonal viewing angles for precise composition, making it suitable for a wide range of shooting, including selective architecture, landscapes, portrait, short range sports and theatre photography Firmware Update: If you experience autofocus failure, you can upgrade the firmware online. Meike lenses use a Type-C interface, and the latest firmware is available for download from the Meike official website（Real-time updates), only supported on Android devices, not Apple (Mac)