T'n'N,
Perhaps I can help.
The pilot's seat position on the F-35 is plumb on the centreline. What you're seeing is an effect of the camera position, just as Rhino has pointed out.
What the picture does show is just how far along the F-35 has taken combat aircraft cockpit design - although there are bound to be those who will criticise it, and perhaps they are right. The pilots I've spoken with who have flown the jet for real and in sims reckon it's a huge step forward.
Hope this helps
Engines