Sigma''s FF High Speed Prime Line of Cine Lenses offers superior resolution (6K-8K capability) while maintaining a compact size for easy use. With fast apertures ranging from T1.5 to T2, the lineup allows you to get that low light shot without compromising quality. With seven lenses to choose from, with focal lengths ranging from 14mm to 135mm, the Sigma Cine High-Speed Full Frame lens lineup will allow you to shoot a variety of cuts without needing to make costly lighting changes. Covers Full Frame Sensors (43.3) 180 degree focus throw T1.5 Max Aperture, Clickless 9-Bladed Iris 95mm Front Lens Diameter Removable Lens Support Foot T2 brightness throughout the zoom range. Outstanding resolution ready for 6K-8K. The High Speed Zoom Line offers a constant aperture of T2 throughout the zoom range, and their outstanding optical performance makes them fully ready for high-resolution shooting in 6K-8K. While offering the highest image quality in their class, these zoom lenses are compact and offer amazing value.