This is one of the Pro-series lens mount adapter made with precision and pristine award standard. As all Pro-series adapters, these adapters have been specially crafted to endure professional lenses. Fotodiox Pro adapters have an improved 'No Play' spring which eliminates perpendicular movement between the lens and the Camera. With unique styling, the lens mount adapter maintains/enhances professional appearance. This lens mount adapter allows Exakta, Auto Topcon mount lenses to fit on Micro 4/3 (MFT) camera bodies.