Kit Includes: Canon RF 16mm f/2.8 STM Lens ULTIMAXX UV Filter 43mm ULTIMAXX BLOWER ULTIMAXX LENS CLEANING PEN ULTIMAXX Microfiber Cleaning Cloth ULTIMAXX STARTER CLEANING KIT. Ultra-wide field of view mixed with a compact and portable design, the Canon RF 16mm f/2.8 STM is a sleek everyday wide-angle prime. Blending a compact, lightweight design with a bright maximum aperture, this rectilinear ultra-wide comes in handy when photographing interiors and architectural subjects, as well as broad landscape views and astrophotography scenes. One aspherical element is featured in the optical design, which limits distortion and contributes to a high degree of sharpness for accurate rendering. This unique lens also sports a close 5.1" minimum focusing distance for close-up shooting and the STM AF motor enables smooth and quiet focusing performance to suit both photo and video applications. The lightweight design and broad field of view also make this lens an enticing option for vlogging and content creation. Sleek ultra-wide-angle prime is designed for use with full-frame Canon RF-mount mirrorless digital cameras. Bright f/2.8 maximum aperture suits working available lighting conditions, helps control depth of field, and contributes to a sleek form factor.