The Pentax HD 28-105mm Lens will be a perfect pairing for many shooters thanks to its wide-angle to medium telephoto range. The lens also features an f/3.5-5.6 variable aperture to help keep size down while also utilizing ED glass elements to reduce aberrations. The lens sports both Super Protect and HD multi-layer coatings in order to protect against accidental damage and reduce flaring and ghosting. Features K-Mount Lens/Full-Frame Format Aperture Range: f/3.5-5.6 to f/22-32 ED Glass Elements Super Protect & HD Multi-Layer Coatings Supersonic Direct-Drive AF Motor Quick-Shift Focus System Minimum Focus Distance: 1.64' Dust- and Weather-Resistant Design 9-Blade Rounded Diaphragm What's in the box 1 x Camera Lens