Visible crew/equipment: After Mike and Alex get home, when Scarlet walks in and asks Alex how the tryouts went, the tape mark is visible on the floor in front of Alex, while he's sitting. (Visible on fullscreen version.)
Visible crew/equipment: In the scene where Bella walks toward the strangers on motorcycles, her mic wire is visible through her jeans. (00:32:10)
Visible crew/equipment: At the end of the Quidditch match, when Ron shouts, "Woo hoo!" with his arms raised, just as his cape flaps around the black seat on the actor's broom becomes visible. There are a couple of other quick glimpses of a seat during the Quidditch match. (01:38:45)
Visible crew/equipment: When Emma goes to crash Liv's wedding ceremony, as she crashes through the glass doors you can see film crew reflected in the glass panes.
Visible crew/equipment: The crew is reflected on the motorcycle-cop helmet when Mark says "He is not drunk".
Visible crew/equipment: In the first half of the movie, when Jennifer Aniston tells Ben Affleck her sister's getting married, a cameraman's reflection appears in a painting on Ben's left. It happens again a few seconds later.
Visible crew/equipment: A crew member is reflected on the TV showing that Poison video.
Visible crew/equipment: When the boat is sinking, Gavin looks up to the sky and stage lights are reflected on his glasses, despite the sky being dark and the boat lights off.