• T1.05 DE-CLICKED LARGE APERTURE: The design of the de-click aperture ring ensures quiet and smooth video shooting. The large aperture of the T1.05 also allows you to lower ISO sensitivity and speed up shutter speed even in low light conditions • When lens is not installed:This is a manual lens, you need to activate "M mode" and turn on the "Shutter Off Without Lens" function • Low Breathing Effect: By improving the structure design of the lens, the Cine lens can control the breathing effect and reduce the focus deviation when shooting • 270° Focus Slow Click No Focus Ring Design and 270° Focus Throw, allowing you to focus more precisely on your subject when shooting • Creamy Bokeh and Vivid Images: Featuring a large T1.05 aperture and 13 aperture blades, the 7artisan cine lens draws vividly and achieves creamy bokeh