hello all,
I am looking to get a flash setup so I can learn how to use it correctly. I've pretty much always shot with available light, but would like to learn a new skillset.
I know some folks with the Yongnuo 568 and they say it is a great flash. Awesome, that's within my price rangem so I'm thinking of picking one up. My question is about the TTL trigger. Is that basically used for off camera flash work? Can someone help me understand what I would gain with a TTL trigger? Thanks!
-jon
. ETTL trigger also give you the option for HSS and second curtain sync. 
