High-quality 77mm Lens Thread to Lee 100 Filter Holder Adaptor Ring for seamless lens and filter holder connection Robust aluminum screw thread construction for enhanced durability and longevity Features a smooth, quick-release, spring-loaded mechanism for easy filter holder attachment and detachment Available in both standard and wide-angle configurations for added versatility in photography Designed to position the filter as close as possible to the front element of the camera lens to prevent vignetting Ideal for professional photographers and hobbyists seeking a reliable, easy-to-use and affordable photography solution