The APO MicroPrime Cine Lens from SLR Magic of/ers apochromatic capture in a lighter-weight, cine-style form. With a 43.27mm image circle projection. These apochromatic lenses feature a 43.27mm image circle projection for 8K cameras with high-resolution full-frame sensors. Its apochromatic elements are designed to correct colour aberrations often seen in high-contrast images or shots captured with wide-open apertures.SLR Magic APO MicroPrime-CINE Lens ( SLR-APOMP50E )The lenses are designed for cine-style production and feature a T2.1 to T16 aperture range and cover full-frame sensors with a 43.27mm image circle. The lenses have built-in 0.8 Mod focus and iris gears so each lens is compatible with standard cine-style lens accessories. The lens also has optional EF and PL mounts.Cine-style focus and iris gears and an internal focus design enable you to pull focus without the length of the lens changing, suiting this lens for use with rod-mounted accessories and matte boxes. The APO MicroPrime Cine lenses feature 150 of focus rotation, a common 85mm front diameter that eliminates the need for multiple matte box adapter rings. It incorporates an 82mm filter thread diameter for using a variety of readily available optional lens accessories.Specifications:- Structure: 7 Groups 11 Elements- Aperture Range: T2.1 to T16- Aperture Blades: 10- Filter Size: 82mm- Image Circle: 43.27