There seem to be at least several macro lenses available for the OM-D E-M5: a 60mm f2.8, a 45mm 1.8 Zuiko and a 45mm f2.8 Panasonic. There may be other choices.
I'm thinking about giving one of them to kfish for Christmas.
She has the Nauticam E-M5 housing. Will I need to get another port, or will her port for the 12-50mm zoom work?
Anyone have any factual advice to offer about lens choice?