XCSOURCE 8X Step up + 8X Step Down Ring Filter UV CPL Set 49 52 55 58 62 72 77 82mm Stepping Adapter 49-82mm 82-49mm for Nikon Canon DC147 Size name:filter kit 6   Descriptions: -The ring adapter easily screws onto the front of any lens, and converts the thread size of your lens to the thread size of any other accessory (such as filters, hoods, flashes and lens converters). -Extremely solid and lightweight.  -Specifically designed for your camera for a tight and secure fit. No wobbling or cross-threading. -Your camera's lens thread size will be marked somewhere on the lens barrel. This number is always preceded by a "?" (diameter) symbol. For example:37 = 37mm lens thread size. This number can also often be found printed on the back side of your lens cap. -The first number is always the lens thread size, the second number is the filter size of the accessory. If the first number is bigger, it's a step-down ring. If the first number is smaller, it's a step-up. -Must have accessory to unlock the full potential of your camera! -Accessory only. Camera and filter UV not included. Package Included: 49mm-52mm Step-up ring x 1 52mm-55mm Step-up ring x 1 55mm-58mm Step-up ring x 1 58MM-62mm Step-up ring x 1 62mm-67mm Step-up ring x 1 67mm-72mm Step-up ring x 1 72mm-77mm Step-up ring x 1 77mm-82mm Step-up ring x 1 52mm-49mm Step-down ring x 1 55mm-52mm Step-down ring x 1 58mm-55mm Step-down ring x 1 62mm-58mm Step-down ring x 1 67mm-62mm Step-down ring x 1 72mm-67mm Step-down ring x 1 77mm-72mm Step-down ring x 1 82mm-77mm Step-down ring x 1