With infinity lock button Can cover full frame 24x36mm
With this adapter, the minimum object distance of VM lenses can be shorter. You can get closer to the subject, when shooting. For the minimum object distance of each VM lens with this adapter, please check attached file.
Let us quote Robert Capa: If your pictures arent good enough, you arent close enough.
Please note that there is a possibility that low resolution of the edge and the colour cast will emerge due to the combination of camera body and lens.