Aputure DEC LensRegain Adapter for Canon EF Mount Lenses to MFT Mount
The Aputure DEC LensRegain for MFT adds a focal reducing optical element. That makes it not only a follow focus and adapter, but also a device that gives cropped sensor cameras a full-frame-like view. Specifically, the DEC LensRegain for MFT allows you to use EF lens. It enhances MTF performance and also adds an additional stop of light.