Bower 1.5/24mm Ultra-Fast Wide-Angle Cine Lens for Canon EF Mount

The internal focus design that keeps the front of the lens from rotating, which allows it to work with accessories and available lens mounted filters, such as a polarizer, while allowing you to focus as close as 10.2 inches from the image plane. Designed for shooting HD video, the lens features built-in iris and focus gears, allowing you to use available follow focus units and iris motors. A silent iris design allows you to pull aperture smoothly during a shot while shooting video. The tulip-shaped lens shade is removable. Key Features: Wide Angle Lens for Full Frame Format 13 Glass elements in 12 Groups Anti-Reflective Multi-Coated Optics Aperture Range T1.5 to 22 Internal Focus Mechanism Close Focus 10.2 Inches Geared Focus and Iris Rings Silent Iris Ring Removable Tulip Lens Hood 77mm Filter Size