[ Don't worry about it too much, Yona, it's just Prompto's way of gently caressing the fourth wall. Anyway, he holds his camera behind his back for a moment, because what's the fun of just revealing it right up front? Gotta drum up the drama a bit first! ]

Prepare to be dazzled, to have your mind blown, to go ooh and ahhh! For I present to you this day, the eighth wonder of the world...

[ He pulls his camera forward and holds it out for her to see. It sure is a camera! ]

Behold! The mystical camera.