FannyCornforth
The papers choose which photos to print. They have a picture editor.
The photographers will have taken dozens, if not hundreds, of the things at one event.
The ‘mouth open ‘ pics will have been chosen for being more dynamic.
It is nothing to do with the DoC
Just asked OH the shutter speed of professional cameras.
His worst one takes 40 a second. Can that be right?
Just think how many photos they have to choose from.

( aka Duke of Cambridge)
