HIGH QUALITY MATERIAL - Camera lens filter adapter ring is made of high quality aluminum alloy with high strength, impact resistance, deformation resistance, and pressure resistance.And step up rings with corrosion resistant and glossy. | UPGRADE STEP UP RING - 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.A proven design makes this step up rings for filters the most durable and functional step-up ring available to professional outdoor photographers. | WIDE COMPATIBILITY - The adapter ring is compatible with different brands of cameras, and multiple sizes can be selected to meet the installation requirements of most lenses.UV filter adapter rings compatible with Canon, Nikon, Sony, Fuji, Sigma, Tamron Camera. Your lens thread size will be printed underneath your lens cap or written somewhere on the lens barrel. Make sure you order the correct size otherwise it will not fit your lens. | EASY OPERATION - External thread upgrade ring adapter, easy to use, just screw the adapter ring onto the lens, and then screw the filter, cover, or converter onto the adapter ring. Metal step rings allows you to use your favorite lens across different size UV,ND,CPL, the lens adapter is designed to fit securely to the lens, yet can still be removed easily when not needed. | PRODUCT WARRANTY - Professional camera accessory manufacturer. We dedicated to provide products in high quality & good price. Made of metal sealing ring, much tighter. Laser fonts, much durable to meet your needs. Filter ring adapter provide lifetime warranty or exchange new one and excellent customer service to ensure a better shopping experience.