No lens can compete with an Leitz glass , if you buy a zeiss lens on to Leica , you will not be a Leica owner. If you cant decide what to do with Leica problem , you are not a Leicaphile and you dont deserve that camera.
"Often moments come looking for us". - Robert Frank
"Make good art!" - Neil Gaiman
"...the heart and mind are the true lens of the camera". - Yousuf Karsh