Last question:
Has anyone experiences with the 3
- Samyang 85mm f/1.4 Aspherique IF Nikon
- Samyang 85mm T1.5 VDSLR AS IF UMC II
- Zenitar-1N MC 85mm f1.4
I handled the Samyang 85mm f1,4 on a Nikon D800.
-The lens did not feel as solid as the 85 f1,4 Ai-S which I kind of find very important in a manual focus lens
-The lens did render very much like the 85 f1,4 AF-D suggesting it is slightly less sharp then the Ai-S version
-If you really feel certain manual focus is exactly your thing, go for it. If not, buy the 85 f1,8 AF-S as many before me suggested, or..
... wait until you can afford the 105 f1,4 and buy that. I never used that one, so I can not say whether it rocks your boat
You can also always buy a Canon and the 85 f1,2. That way you are exactly at the spot where you place your benchmark.
Personally I think looking for a cheap portrait lens involves one thing more then anything else. Pick up your camera, use what you have and take pictures. Good photographers were never limited by their equipment. If they were limited by anything, it was by not being in the right spot at the right time.