The filter thread size of Olympus Zuiko Digital ED 12-60mm f2.8-4.0 SWD is 72mm.
Below are links to the filters that we recommend you to consider for your Olympus ED 12-60mm f2.8-4.0 SWD:
Read our detailed Olympus Zuiko Digital ED 12-60mm f2.8-4.0 SWD Review