The Sunpak St Up 46-49 step up ring allows you to adapt a camera lens with a 46mm filter thread to a filter or accessory with a 49mm thread. This high-quality adapter ring is made of durable materials, ensuring a secure and precise fit for optimal performance. The Sunpak St Up 46-49 step up ring is a must-have accessory for photographers looking to expand their creative options without having to invest in multiple filters or adapters. Enhance your photography equipment with this reliable and versatile step up ring from Sunpak.