Offers 1:1 image magnification for true-to-life macro photography.
The PENTAX-original Quick-Shift Focus System allows instant switching from autofocus to manual focus operation.
Aperture ring for traditional aperture control or automatic body-controlled depth of field.
Full-frame lens is optimized for digital photography, including lens coating, curvature and positioning of optical elements.
Large lens hood to shield the lens surface from excessive incident light.
Developed for PENTAX digital SLR cameras, however full-frame optics are also compatible with PENTAX film SLR cameras.