The next big thing in the world of smartphones are dual rear camera arrangements, one where a high-resolution camera is joined by a second typically low-resolution camera. The combination of the two ...
I'd consider a third party with i-ttl support over a SB400. Something like the Nissin ND466N. It supports iTTL. The reason why is when you go vertical, the SB-400 can't bounce vertical. Oh and if you ...