The tiny size & light weight match perfectly with mirrorless cameras and are suitable for use with gimbals. The new Cine version comes with standard 0.8 mod gears on both aperture and focus rings. A standard 55mm filter thread is designed to mount screw-in filters easily. 2 aspherical elements plus 3 extralow dispersion elements successfully correct chromatic aberration, realize close-to-zero distortion & deliver excellent corner to corner sharpness.