There’s actually none.
Okay, there’s bound to be some reading this who will no doubt ask,
“What about the Rule of Thirds?”
This is just my opinion, but when you attach the word “rule” to photography, it ruins the whole experience.
After all… my viewfinder doesn’t have a grid or lines.
If I were a sniper you can bet it would.
But I take photographs.
Why would I need such precision and be locked into 3 columns and 3 rows?
This is art. Fun stuff.
The Eyes–In this situation, as with most portraits, the eyes should be the center of attention but should they be in the center literally?