Technique! The very word is like a shriek of outraged Art. It is the idiot name given to effort by those who are too weak, too weary, or too dull to play the game. The mighty have no theory of technique.
It's a heavy weight, the camera. Now we have modern and lightweight, small plastic cameras, but in the '70s they were heavy metal.
Nobody should have to be a systems integrator to make a convergence network work in their home.