FOTGA Auto Focus Macro 10mm+16mm Extension Tube Set for Olympus Panasonic Micro Four Thirds M4/3 Mount GH1 GH2 GH3 GH4 GH5 GH5s E-PM1 E-PM2 E-PL1 E-PL2 E-PL3 E-M10 Mark II III Dslr Cameras This high quality automatic macro Extension Tube Set is designed to enable a lens to focus closer than its normal set minimum focusing distance It contains 2pcs tubes in different length 10mm/16mm, which can be used in any combination or individually to obtain the different magnification Designed with electronic contacts,which make it support automatic focusing,automatic exposure,etc. It enables you to use all shooting modes of the camera,exposure compensation is required Suitable for: All Micro 4/3 mount camera,such as GH1 GH2 GH3 GH4 GH5 GH5s E-PM1 E-PM2 E-PL1 E-PL2 E-PL3 E-M10 Mark II III etc.