With a focal length equivalent to 47mm in the 35mm format, the PENTAX-01 Standard Prime lens is an outstanding prime lens for everyday use, sporting a magnification similar to that of the human eye. It offers a maximum aperture of F1.9 for superb light gathering and depth of field control. Incorporating two high-grade aspherical optical elements, this lens compensates various aberrations to a minimum and features PENTAX lens coating technology for beautifully defined, high contrast images with minimal flare. Lens shutter features 5 aperture blades and syncs with the Q’s built-in flash at speeds up to 1/2000 sec. Neutral Density filter allows for open aperture photography in bright settings.