The Cokin Adapter Ring Model X412B with a diameter of 112 mm and a thread pitch of 1.0 mm ensures reliable compatibility of lenses with Cokin X-Pro Series filter holders. This adapter ring converts lenses with a 112 mm diameter and 1.0 mm thread pitch for the use of Cokin X-Pro Series filter holders, facilitating easy mounting and changing of filters. It supports a wide range of lens sizes from 62 mm to 112 mm and can extend compatibility up to 118 mm when combined with a 4-point universal ring. Made from durable materials, it ensures long-term performance with precise threading for secure attachment. The design is suitable for large zoom lenses, extreme wide-angle lenses, medium format and large format lenses, as well as cinema and broadcast lenses, making it versatile for professional applications. Based on over two decades of Cokin expertise in filter systems, this adapter ring emphasizes quality and reliability, allowing for enhanced creative control through filter effects without compromising optical integrity. It is ideal for landscape, portrait, and film photography, offering seamless integration into existing equipment. The neutral black finish reduces reflections, and the compact design minimizes additional bulk. This product falls under the category of cameras and optics and is specifically designed for photography enthusiasts and professionals seeking reliable accessory solutions.