- Super Multi Coated Telephoto Zoom Lens - Mount-Crop: Pentax K-Mount Lens/APS-C Format - Type-Focal: 50-135mm, Angle of View 31.5° to 11.9° - Aperture: Max f/2.8, Min f/22 - Filter-Grams: 18 Elements in 14 Groups - PH-RBK 67mm Included - 67mm - 77 x 136 mm, 685 g