I have already taken my Zeiss ZF 100mm f/2 Macro lens apart. Below are two photos.
The first shows that this lens has a long piece of metal that is attached to the underside of the aperture ring. None of the other Zeiss ZF lenses that I have Leitax modified had this.
The second photo shows the little receiver that this long piece of metal must fit into when re-assembling this lens. If you forget to put this long piece of metal back into this special slot, your aperture will not work properly.
Last edited by Fenwoodian; 11-14-2016 at 08:49 PM.