This Tamron Adaptall Mount is designed to fit Pentax ES M42 mount cameras. It is compatible with various Tamron lenses, making it a versatile accessory for any photography enthusiast. The mount is made with high-quality materials, ensuring durability and stability during use. The brand Tamron is known for producing exceptional quality lenses, and this mount is no exception. It is perfect for those who want to explore the world of photography and experiment with different perspectives. Whether you are a professional or an amateur, this mount is a must-have for any camera collection.