The 14mm Ultra Wide-Angle f/2.8 IF ED UMC Lens for Canon EF Mount from Samyang gives you approximately a 115° view with dramatic results when used with a full frame digital camera or 35mm film camera. On APS-C sized sensors the angle of view is between 90° and 94º depending on the brand. Four-thirds cameras produce a 76.24º angle of view. With hybrid aspherical lenses, you will produce sharply defined images with a minimum of distortion and chromatic aberrations. This manual focus 14mm lens focuses as close as 0.9' (28 cm) from the the lens, and has a built-in petal-type lens hood. With some cameras, Shutter Lock must be disengaged on the camera's menu.