24.24 effective megapixel AA-filter-less APS-C CMOS sensor, with ISO ranging from 100 to 102400, is at the heart of this compact, dustproof, and weather-resistant camera, optimized for outdoor shooting with its cold-proof performance at temperatures down to 14°F (-10°C). The optical viewfinder with a glass pentaprism provides approximately 100% field-of-view and 0.95-times magnification, giving a large, clear view of the subject for quick and easy confirmation of focusing and framing.

The camera's in-body SR (Shake Reduction) mechanism offers a compensation effect of 4.5 shutter steps, working effectively with all PENTAX interchangeable lenses. This in-camera shake reduction (SR) feature, unique to the Pentax digital SLR K Series cameras, ensures that any lens compatible with the K Series cameras will benefit from image stabilization.

Ideal as a first lens, this standard lens enables 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. It is also an easy-to-use lens for shooting snapshots, landscapes, portraits, and a variety of other subjects. The high delineation performance of this lens is achieved through the use of Hybrid aspherical lenses, which correct various types of aberration and provide a sharp image quality with high contrast from the minimum to maximum distances.

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