ProMaster Step Up Ring - 40.5mm-49mm

The ProMaster Step Up Ring - 40.5mm-49mm lets a lens with a 40.5mm filter thread use 49mm filters. Precision machining converts the thread size between your lens and filter while keeping this compact adapter focused on a simple, specific task. Match your filter sizeUse this ring when your lens has a 40.5mm thread and the filter you want to use has a 49mm thread. Made for the ProMaster filter lineProMaster describes its stepping rings as a complement to its filter line, with precision machining for proper thread-size conversion.