1、Multiple Applications: This 10mm T2.1 cinema lens is suitable for R RP R5 R6 R3 cameras. Made of premium metal and optical glass, the lens is sturdy and long lasting, great photography accessory. 2、T2.1 Aperture: The T2.1 cinema lens features a wide aperture of up to 2.1, with a minimum aperture of T22, allowing for bright photos even in low light conditions. The ample light intake from the large aperture ensures clear, detailed images with subjects standing out. 3、260 Degree Ultra Long Focus Throw: With a 260 degree ultra long focus throw and gear driven, stepless focusing design, this cinema lens is compatible with various follow focus systems, ensuring precise focusing during shooting. The fine tuned focus action meets the demands of professionals for focusing performance. 4、Exceptional Rich Image Quality: The new optical and mechanical structure, coupled with excellent lens and coating, guarantee rich details and nature transitions in the images, delivering outstanding picture quality. 5、Easy Operating: The smoother damping on the focus ring provides precise and clear focusing, the APS C cinema lens saves time for users to focus while shooting. 6、Lightweight and Versatile: From wide angle to medium telephoto coverage, the cinema lens maintains a lightweight and compact design with 12 groups and 15 pieces optical specs. The entire series weighs 712g, enabling pairing with various accessories like stabilizer for unlocking diverse shooting scenes, balancing individual and team efforts, and unleashing limitless possibilities.