Step-up filter adapter ring set can easily screw onto the front of any lens, and convert the thread size of your lens to the thread size of any other accessory, such as filters, hoods, flashes and lens converters Provide a way to fit larger diameter filters or accessories onto a smaller lens. Made of premium grade aluminum for great durability. Polished and finished with anodized matte surface. Compatible with the Canon, Nikon, Sigma, Tamron Camera. Fit most lens with the same filter thread, manual or autofocus, digital or film. Material: Anodized Aluminum Color: Black Premium Anodized Aluminum Step-Up Lens Filter Adapter Rings 77mm-82mm KIT INCLUDES: 1 Pcs Step-up Adapter Rings: 77mm-82mm APPLICATION: Provide a way to fit larger diameter filters or accessories onto a smaller lens. You don't need to buy more filters when you have different lens. DURABLE MATERIAL: Made of premium grade aluminum for great durability. Polished and finished with anodized matte surface WIDE COMPATIBILITY: Compatible with the Canon, Nikon, Sigma, Tamron Camera. Fit most lens with the same filter thread 37mm NOTE: The first number of an adapter ring is always the lens thread size, the second number is the filter size of the accessory. If the first number is smaller, it's a step-up ring Brand No Brand SKU 8956_NP-1022058463 Filter Attachment Type N/A Water Resistant Not Specified Model 35001137