The Samyang SY16M-P 16mm f/2.0 Aspherical Wide Angle Lens is a high-quality manual focus prime lens designed for Pentax KAF-mount cameras. With a 35mm equivalent focal length of 24mm on APS-C sensors, it offers a wide-angle perspective, making it perfect for landscape, architecture, street photography, and astrophotography. Featuring a fast f/2.0 maximum aperture, this lens excels in low-light conditions while delivering beautiful background separation and smooth bokeh. Its aspherical lens elements help minimize distortion and chromatic aberrations, ensuring sharp, high-contrast images with vibrant colors. A multi-layered coating reduces ghosting and flare, providing improved clarity and contrast. Constructed with a sturdy metal build, the lens offers durability and a professional feel. The precise manual focus ring allows for smooth and accurate adjustments, making it ideal for photographers who enjoy creative control. Whether capturing expansive landscapes or detailed night skies, the Samyang 16mm f/2.0 is a reliable and versatile wide-angle lens for Pentax K-mount DSLR cameras.