Designed with high-end cinema video in mind, the Canon RF 35mm f/1-4L VCM Lens is a wide-angle L-series hybrid prime featuring an ultra-fast f/1-4 maximum aperture to suit working in difficult lighting conditions- Its 11-blade iris creates soft, cinematic bokeh, and the lens features minimal focus breathing for easy and smooth focus pulls- The focus ring can be used full-time with override, and you can also utilize the iris ring manually during changing conditions on your video shoots- This lens sports a Voice Coil Motor (VCM) for fast floating rear focus and a Nano USM for quick and quiet floating autofocus performance- Its optical design incorporates specially developed elements that help to nearly eliminate chromatic aberrations and colour fringing for notable clarity and colour accuracy- Two ultra-low dispersion elements and two aspherical elements are also featured to further control various aberrations and distortion for great sharpness and resolution- Its durable physical construction is dust- and moisture-sealed with ASC (Air Sphere Coating), SSC (Super Spectra Coating), and Fluorine coatings for use in any environment and to prevent ghosting and flares- {Key Features} - Full-Frame Format | f/1-4 to f/16 - Extremely Fast Design, Advanced Optics - Voice Coil Motor (VCM) for Rear Focus - Nano USM for Fast Floating Autofocus - Manual Iris/Full-Time Focus Rings - Air Sphere (ASC) Coating - Two Aspherical Elements, Two UD Elements - Rounded 11-Blade Diaphragm - Weather-Sealed Design - Attachable Rear Gel Filter Holder {Box Contents} - Canon RF 35mm f/1-4 L VCM Lens - Canon EW-73F Lens Hood for RF 35mm f/1-4 L VCM Lens - Canon E-67 II Lens Cap - Canon Lens Dust Cap RF - Canon LP1219 Soft Lens Case - Rear Filter Holder