Hello, I noticed that the AF D F1.8 on my D90
may only be used with the aperture locked at F22
and then everything done manually.
On Auto it stays at F22 and the shutter speed changes.
If I were to get a D7100, could this lens be used in aperture priority without
locking the aperture ring at F22, once the inputs are given on the menu for
non CPU lenses?