Yes, I've used the MS conversion...ergonomics leave a lot to be desired. Turn the focus and the aperture ring turns...move the aperture and it wants to turn the focus. No click stops. Difficult to set the aperture.
This conversion has the front part of the original Contax lens, so the same aperture ring and exactly the same (positive) feel. The back half has a super smooth helical and a nice sized focusing grip in just the right location. Ergonomics feel like a factory built lens.
This conversion has the front part of the original Contax lens, so the same aperture ring and exactly the same (positive) feel. The back half has a super smooth helical and a nice sized focusing grip in just the right location. Ergonomics feel like a factory built lens.