For Canon EF lens,we changed situation that the lens aperture always stay at the biggest position when you take photos through adapters,we designed world first adapter with precision aperture ring inside,let customers can use Canon EF lens on new popular mirrorless camera through adapter,enjoy more fun of  photography.

We begin to sell first two models for Sony NEX and Panasonic/Olympus micro4/3 mount system as below,


EOS-m4/3  A