The FotodioX Mount Adapter with 1.4x Multi-Coated Focus Correction Lens is a high-quality, durable, and versatile tool designed for photographers who want to maximize the potential of their Exakta and Topcon lenses on a Pentax K mount camera. This easy-to-use adapter is perfect for both Slr and Dslr camera users who wish to utilize their existing lenses on different camera bodies, providing an affordable solution to expanding your lens collection.This mount adapter is expertly crafted with precision, featuring an all-metal design and a polished surface to ensure smooth mounting and long-lasting experiences. It's specifically designed to adapt larger format lenses to smaller format sensors, providing excellent edge-to-edge sharpness. By using the 'sweet spot' or center of the larger lens image circle, this adapter helps minimize the effects of lens distortion and aberration, resulting in superior image quality.