How does the Hd Pentax-d Fa 21mm f/2.4 Ed Limited Dc Wr Lens, Black, stand out This ultra-wide-angle lens is a game-changer for both close-range and distant photography, delivering distinctive image renditions and a beautiful, natural bokeh effect. Whether you're capturing a seashell-covered beach or a misty morning landscape, this lens ensures sharp, clear images across the entire field.As the first D Fa Limited-series lens featuring a 21mm ultra-wide angle, it allows you to approach your subject to a distance of just seven centimeters from the lens front. This feature enables you to capture images with exaggerated perspective, taking full advantage of its ultra-wide-angle focal length. In close-range photography, it provides a mild bokeh effect in the background while keeping the main subject in sharp, crisp focus.