This is an adapter that enables autofocus, and it is attached between the A lens and other manual focus lenses and the MZ series and other camera bodies that have an autofocus function.

This is an adapter that enables autofocus, and it is attached between the A lens and other manual focus lenses and the MZ series and other camera bodies that have an autofocus function. Generally, it can be used in lenses with brightness higher than F2.8. When attached, the focal length of the main lens becomes 1.7X, and the brightness becomes about 1.5 steps darker. This lens can be used for iris priority, shutter priority, and other automatic exposure, but program automatic exposure can be used in normal program mode only.