Hi, I am shooting mainly portraits (90%) and my most used lens is the SEL 50.... Since sometimes I need extra reach to compress face more and create less d.o.f. I have to use some of the two zoom lenses Either the Zeiss that goes up to 70/4 or the SEL that goes up to the 100/4. Which would you think it would be a better option for my nex/alpha camera for the subjects I want to shoot at. I would like to thank you in advance for your reply Regards Alex P.S1 I do not want to use legacy lenses P.S2. I do not think I should wait for any short lens prime from sony ..