Im trying to use Match Total Exposures using a Canon 6 D CR2 file developed in LR4 as the base to 5D MkIV file in in LR6.
When I do, it severely drops the exposure of otherwise similar file (+/- 0.3 EV). Why?
Are these all pv2012 images or are some pv2010 or pv2003? See this post:
Retrieving data ...