Visible crew/equipment: As David walks to open the main door of the funeral home, there is masking tape to mark where the actor is meant to step.
Brotherhood - S1-E7
Visible crew/equipment: Nate is sunbathing and a white screen from lighting equipment is reflected on his sunglasses. When the shot changes to show what's in front of him, the screen is not visible.
Answer: Nate actually say "You can't take a picture of this, it's already gone." It's kinda hard to explain, but he's referring to the fact that the moment Claire wants to take a picture of is over already, and she can't take a photo of it, just a different, lesser moment.