>>3254178>>3254205>wide angleWide angle especially. But short flange can also help longer, less wide lenses.
For example the Planar T* FE 50mm f/1.4 ZA is an optical marvel that is razor sharp at f/1.4.
It's razor sharp wide open at infinity.
It's razor sharp wide open at close up.
.. Nikon and Canon needs to find their own optical formula though. This one is already patented. 1st one to the mill, etc.
