Visible crew/equipment: During the final battle, there's a building falling. When the people are running towards the ambulance, one girl in a pink shirt/sweater runs past a car and a boom mic is reflected on the windshield.
Visible crew/equipment: As Kal-El is flying for the first time, there is a shot from behind him flying through a canyon. In this shot, one can notice to the bottom left of screen a stage light reflection. (00:51:35)
Visible crew/equipment: As the two helicopters land, and as the soldiers come out, the camera equipment is reflected in the glass.
Visible crew/equipment: As the soldiers duck behind the truck asking "What about the guy in blue?", the cameraman is reflected on the panel in front of him.
Answer: Kryptonians aren't invulnerable. It just takes a lot to hurt one after he has been charged by our yellow sun. There are several beings who are strong enough to break a Kryptonian's bones. Doomsday, Darkseid, etc. Since both are roughly equal in strength on Earth, its no different than one human breaking another's neck.
Grumpy Scot