Laowa 11mm F4.5 FF RL is a super compact and lightweight Rectilinear(RL) wide-angle lens for full-frame (FF) mirrorless cameras. A remarkable 126° angle of view with 19cm minimum focus length in a package just 6.3cm long and 254g. It allows you to capture the stunning landscape, precious travel moments and beautiful interior design without any burden. The lens also includes 2 aspherical elements and 3 extra-low dispersion elements to guarantee the sharpness, suppress chromatic aberrations and distortion to the minimum. Conveniently, the 62mm filter can be screwed onto the lens directly, or more filters available with a 100mm square filter frame. The 5 blades aperture creates a stunning 10-point sunstars. For Leica M mount photographer, rangefinder coupling is available for the lens to have a more accurate and easy focus.