http://www.pentaximaging.com/camera-..._35mm_F2.4_AL/

smc PENTAX DA35 mm F2.4 AL FACT SHEET

Versatile, easy-to-use standard lens Mounted on a PENTAX digital SLR camera body, this standard lens offers an angle of view equivalent to a 53.5mm lens in the 35mm format for a natural, comfortable perspective similar to the naked eye for a variety of subjects and applications, including snapshots, landscape and portrait. High-quality image description Incorporating a hybrid aspherical optical element in its optics, this lens delivers high-quality images with enhanced sharpness and contrast, from minimum focusing distance to infinity, and assures exceptional image-resolving power with outstanding brightness levels even at the edges (even at an open aperture) while effectively compensating various aberrations to a minimum. It is treated with the PENTAX-original Ghostless Coating to minimize the adverse effects of flare and ghost images, assuring true-to-life images even under demanding conditions such as harsh backlighting. Large maximum aperture With a maximum aperture of F2.4, this lens offers a bright, clear viewfinder image and allows the photographer to use faster shutter speeds under poor lighting conditions to minimize the risk of camera shake and subject shake. Compact, lightweight design The compact, lightweight design makes it highly maneuverable in various shooting conditions and easy to carry anywhere

Additional features:

High-performance optics designed exclusively for PENTAX digital SLR cameras and optimized for the characteristics of digital images

Minimum focusing distance of 0.3 meters

PENTAX-original SP (Super Protect) Coating applied to the front surface to repel dust, water and grease