With the adapter, you would have to manually focus.
Recommend to bring your camera to test out the adapter. I have an adapter which can fit the older Olympus E-PL1 but not the E-M5 MkII.
Can you re-do your setting of custom white balance using green leaves under the sun instead of the shade?
Once I set my custom white balance under the sun inside the Cloud Forest at Garden by the Bay and then took infrared pictures outside of the air-conditioned environment, I could not get the...