I will definitely look into these.
Thanks for sharing your views and experiences! I now have multiple options to look into.
So far I have: 45P, ultron 40, 35 1.4 ais, 35 2.0 ais, 35 2.8 K (851001-870063), 36-72 3.5 E.
It is also helpful to know that the 35/2 AF-D is too soft on the newer dslrs/