The Urth Lens Mount Adapter allows the use of M39 lenses on Sony E camera bodies. This adapter is a practical solution for photographers who want to combine their M39 lenses with modern Sony E cameras. It provides a stable and precise connection between the lens and the camera body, preserving the image quality and functionality of the lenses. The adapter is easy to handle and allows for seamless integration, expanding creative possibilities. With this product, users can take advantage of the classic M39 lenses while also utilizing the advanced features of their Sony E camera. The Urth Lens Mount Adapter is therefore a valuable addition for anyone looking to enhance their photographic capabilities.