IE6252 may help producing better corner resolution power when used with OLYMPUS C-2000Z, C-2040Z, C-3000Z, C-3100Z, C-3030Z, C-3040Z, C-4000Z, C-4100Z, C-4040Z, C-5050Z, C-5060WZ Cameras and DCR-180PRO Fish-Eye lens than the one used with RA6252 adapter ring.