The Kodak Lens 0.7x and 1.4x 55mm is designed for use with Kodak DX6490 and DX7590 digital cameras. It includes a 44.2mm threaded lens adapter, made in Japan. The lens adapters fasten securely with a screw-in mechanism, allowing you to easily attach them to your camera's lens front. The set consists of two lenses, offering both wide-angle and telephoto capabilities for enhanced photographic options. There are w rack of the 0.7 and 1.4. I also include 3- 59to 55mm adapters and 2 44.2 mm to 55 mm adapters as well as a 37mm lens adapter.