The Samyang 24mm T1.5 Cine Wide Angle Lens for Sony E-Mount features a "De-clicked" Aperture to reduce any noise and jerking sound while shooting. This lens is follow-focus compatible to provide a convenient, quick and precise method for controlling the focus on the camera without the need to constantly reach over to the front of the lens. This 24mm T1.5 Cine Wide Angle Lens is best used for shooting video. Utilizing a multi-layer coating process for consistent color rendition from lens to lens the Samyang 24mm T1.5 Cine DS Lens answers the challenge of assembling a set of lenses over time. Features industry standard geared focus and iris rings that share common position with other Samyang Cine DS lenses. To aid focus pullers who have to work both sides of the lens, the aperture and focus scales are marked on both sides of the lens. This 24mm lens produces a 84.1 ½ coverage when used with full frame cameras. Hybrid aspherical lenses render sharply defined images with a minimum of distortion and chromatic aberrations, with a minimum focus distance of just under 10" from the lens. A removable petal shaped lens hood provides flare protection when shooting without a matte box, the lenses threaded front accepts a 77mm filter ring. Please note that some cameras may require that Shutter Lock be disengaged when using this lens.