I made this test for me, but maybe it could be interesting for all of you who are not sure about what lens to buy considering focal lenght.
I have used my Panasonic 14-45 to simulate lower focal lenghts and Olympus 40-150R for higher focal lenghts. I will do another test in an open area, which i thinks is much more realistic than this matrioska on the table.
In the gallery below you will find:
This should cover about all primes but not 12mm which i don’t have. Sorry.