Wider Vision Stronger Spatial Sense7 artisans 12mm T29 Cine is a Super 35 frame with an equivalent focal length of approximately 18mm 24mm equivalent for M43 frame and a wide field of view of 100 degree which provides a wider field of view and increases the sense of space and depth of the whole picture Closer Shooting DistanceThe closest shooting distance of 014m so that your picture shows a richer detail and fully highlights the subject bringing the strong visual impact T29 Large ApertureT29 large aperture with ultrawide viewing angle can have a good starry sky and night shooting experience to ensure special ensure special environment with more light intake keep the picture pure 270 DEGREE EXTRA LONG FOCUS TRAVELThe extralong 270 degree focusing stroke and stepless focusing gear design which can be adapted to various follow focusers guarantee accurate focusing during shooting The focus movement is more delicate more precise and finer It meets the requirements of professionals for focusing performance MultiMount for Choice7 artisans 12mm T29 provide 6 mounts to meet different needs for photographers The Compact lens with diameter 89mm height 70mm is only 133 lbs which is portable for you