Compact 50mm like Sonnar?

[robbeiflex]

ZM Sonnar 50/1.5 and stop it down to 2.8.

Yes, but...

If the lens is optimised for f1.5 then this is exactly where you would find the focus shift is at its peak. If the lens is optimised for f2.8 then i'm with you 100%.

 

[judsonzhao]

the new nokton is not huge IMO