Product Description Stepping rings, also known as adapter rings, allow the use of filters and accessories that are slightly larger or smaller in size than the front screw thread of the lens. Step-Up rings in particular provide a way to fit a larger diameter filter or accessory onto a lens with a smaller thread diameter. The Step-Up ring screws onto the lens's front thread and provides a larger thread which can then be used for attaching other elements, including more Step-Up rings.The first number is the size of your camera lens thread
The second number is the size of the filter or accessory lens you wish to attach
Manufactured from durable black anodized aluminium
Suitable for cameras, lenses and equipment with a front filter screw thread