RPCrowe wrote in post #15052457
The laughable thing about tests like this using a ultra long lens is that a long lens is not optimized for close-up focusing and for flat field copying.
The laughable thing about tests like this using a ultra long lens is that a long lens is not optimized for close-up focusing and for flat field copying.
Perhaps but it's the best we have available and it's empirical. Everything else is just conjecture - even the statement you made above.

