TTArtisans 40 mm F2.8 macro messa a fuoco APS-C micro quattro terzi fotocamera GH4 GH3 OMD EM1

1) Please change the camera setting to"shoot without lens" or "release without lens" before using it, for this is a manual lens. 2) When using this lens in full-frame cameras, please change the format to APS-C. Compact Design Full-metal Construction 1X Magnification Multi-Layer Coating Clicked Aperture Ring Creative Lens Cap Ideal Aperture F2.8.

eBay