Pentax 01 Standard Prime

Manufacturer description: The unifocal standard lens has a focal length equivalent to 47mm in the 35mm format. The lens offers a natural perspective similar to that of the human eye and is ideal as a multipurpose, everyday standard lens for various subjects including landscape and portraiture. With a maximum aperture of F1.9, it performs superbly in dim lighting and may be easily adjusted for bokeh. Incorporating two high grade aspherical optical elements, this lens compensates various aberrations to a minimum .