The 20mm T1.5 FF Prime Lens is ideal for the latest digital cine cameras. Its wide focal length offers full frame sensor coverage, 6K-8K resolution, and a T1.5 aperture in a compact form. A 95mm front diameter is similar to that of the other cine lenses and is compatible with matte boxes. The body is made completely of metal to stand up to tough professional use over the long term. High-Speed Prime Lens Rivaling a high-end prime set with its stunning image quality and compact construction, this lens also offer full-frame coverage. With the 6K-8K shooting, the lens allows filming of various cuts without making any changes to the lighting, taking cinematography to the next level of performance. 6K-8K Resolution The lens features the same optical system that delivers 50MP or higher resolution in still photography. This lens is therefore ready for higher-resolution shooting and is ideal for chroma keying as well. Standardized Color Balance The T1.5 Lens is designed to comply with SIGMAs CCI standard. Standardized color balance makes color correction a snap. 180 Focus Rotational Angle At 180, the rotational angle of the focus ring is more than double that of a still camera lens, making possible extremely high-precision focusing. The lens is optimized even easier long distance focusing.