Hi,
I am very interested in a large aperture short telephoto lens. I have noticed that almost all lenses in my possession have significant amount of axial chroma, the one that causes magenta/green fringing in out of focus areas. The two lenses I own right now that show little/none of this are the Sony 70-400/4-5.6 and the Minolta 400/4.5 APO. This fringing tends to be insignificant when stopped down to f/5.6 or f/8.
Of the lenses I am aware of that are well corrected the Zeiss Apo Sonnar 2/135 is the one that seems most attractive to it is reasonably priced and seems to perform very well.
So, that lens is now on top of my "short list" on the next lens to buy. I would be more interested in a lens around 85 mm, and here we have the mighty Otus, but I don't need f/1.4.
Best regards
Erik