when you are NOT spot metering …
→ Combine back-button AF-ON + shutter-release AE-L
( pdf p.167-170 + 389, 390 / print p.139-142 + 361, 362)
( custom menu c1 = ON + f4 = Press AF-ON … )
→ DxO PhotoLab and camera viewfinders - #47 by Wolfgang
or flick exposure compensation on the fly [Personally … d8 …]
→ Using PhotoLab 4 to process sunset photos - #342 by Wolfgang
Mike, I’m not going to repeat again.