_x000D__x000D_ Features: _x000D__x000D_ _x000D_Using Step up And Step Down Rings To Take Better Pictures _x000D__x000D_ Description: _x000D__x000D_ _x000D_The ring adapter easily screws onto the front of any lens, and convert the thread size of your lens to the thread size of other accessory (such as filter, hoods, flashes and lens converters). _x000D_Made of high quality anodized balck aluminum(metal). _x000D_Color: Balck. _x000D_Extremely solid and lightweight. _x000D_Specifically designed for your camera for a tight and secure fit. _x000D_No wobbling or cross-threading. _x000D_Your camera's lens thread size will be marked somewhere on the lens barrel. _x000D_This number is always preceded by a (diameter) symbol. _x000D_For example: diameter 37 = 37mm lens thread size. _x000D_This number can also often be found printed on the back side of your lens cap. _x000D_The first number is always the lens thread sie, the second number is the filter size of the accessory. _x000D_If the first number is bigger, it's a step- down ring. If the first number is smaller, it's a step-up. _x000D_ _x000D_What is a step up ring? _x000D_Step up rings, also known as adapter rings, allow you to use filters and accessories that are not the same size as your camera lens. _x000D_Lenses and filters come in a large range of types and sizes and unfortunately they don't always fit together correctly. Fortunately there is a step up or step down filter for just about any need. _x000D_ _x000D_How step up rings work? _x000D_Step up rings provide a way to fit a larger diameter or accessory onto a smaller lens. _x000D_The step up rings screws onto your lenses threading and provided a largee thread with you can attach other elements inclued more step up rings. _x000D_ _x000D_How step down rings work? _x000D_Step down rings work in the exact same way but instead provide a way to attach smaller accessories and filters to larger lenses. _x000D_ _x000D_It is important to note that typically, the farther away from the lens you place a filter the worse the optics will be. _x000D_It is always best to look for the thinnest adapter ring that you can find as these will keep the filter close to the lens. _x000D__x000D_ Specifications: _x000D__x000D_ _x000D_Colour: Black _x000D_Material: Aluminum alloy _x000D_Size: Step down: 82-37mm; Step up: 37-82mm _x000D_Qty: 18pcs _x000D__x000D_ Packaged included: _x000D__x000D_ _x000D_9X Step up 37-82 mm Rings Filter Stepping Adapter _x000D_9X Step Down 82-37 mm Rings Filter Stepping Adapter_x000D__x000D__x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_