In camera shake reduction (SR): the Pentax digital SLR K Series cameras are equipped with the SR mechanism built into the camera body; Because shake reduction is applied in the camera body, this means that any lens Compatible with the K Series cameras will benefit from image stabilization Ideal as a first lens: enabling unique imaging that is only possible with fixed focal point lenses, namely, large blurring of the background and sharp resolution to the edges of the image Easy to use standard lens: This is ideal as a regular use lens for shooting snapshots, Landscapes, portraits, and a variety of other subjects High delineation performance: This lens uses Hybrid aspherical lenses for correcting various types of aberration and providing a sharp image quality with high contrast from the minimum to maximum distances F2.4 for high brightness: this enables easy visibility with the viewfinder and shooting at high shutter speeds even in low light locations, reducing the adverse effects of hand shaking Super protect coating: pentax original SP coating uses fluorine treatment on the front surface of the lens; This prevents adhesion of dust, water drops, grease and other substances Stunning imaging performance: aspherical lenses are used to minimize spherical aberration Compact, lightweight design: weighing about 124G and having a total length of only 45 millimeter (1.8inch); It makes it easy to carry around Minimum focusing distance: enables minimum shooting distance of 0.3Meter (0.98 feet) and a maximum magnification of 0.17x What's in the box: includes front lens cap 49 millimeter & rear Caps