Is it true that No pro movie Direcor shooting his/her project with a DSLR?

I mean the main Camera.
you see so many so called Directors that shootinbg their "Film" with Dslr(Mostly 5D m3 or Nikon D810)
isnt it more "Pro" to shoot at least with a semi pro Camcorder?Something like Canon C300 or Sony PMW 300 or Panasonic Hpx series… I never saw a Big hollywood product shooting With a Dslr…

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Can I use high speed batteries for Vivitar 3200A flash?

Can I use high speed batteries for Vivitar 3200A flash?
Added (1). I have Nikon D80 camera. I use Vivitar 3200A flash for it. Can I use high speed batteries (~2500mAh) for its better performance?

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Which of these you would buy?

I want to buy one of the following and i am confused.

1:Sony Play Station 3
2:Xbox 360
3:iphone 5s
4:Nikon D3300
5:Ps4
6:Xbox 1
Added (1). Well i want to takes pics and play games. Which is better any way? Ok only tell about gaming consoles

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How to Shoot in bulb mode by Nikon d5200?

How to Shoot in bulb mode by Nikon d5200? - 1

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