camera accessories lens adaptor
Step rings have different size of step-up adapter ring and step-down adapter ring

camera accessories lens adaptor step ring

Step ring have different size of step-up adapter ring and step-down adapter ring for your selection.Camera adapter ring is used between camera(or projector) and lenses ,it could mount kinds of canversion lenses ,such as telephoto lens ,wide angle lens ,fisheye lens,and so on.Adapter rings are labeled form the camera to the filter.They're made of metal-aluminum construction The 37-25mm adapter esaily screws onto the front of any 25mm Lens, and allows you to convert to the 37mm threads of accessory items(such as filters,hoods ,flashes and lens converters)We have other rings 37-30.5 mm,37-30mm,37-34mm,52-58mm,55-58mm,etc.
Adapter ring /Lens adaper /Camera adapter