Visible crew/equipment: When Mel Gibson is getting his red boat ready to put in the water, his friend comes out of his house to talk to him. You can see the camera crew reflected in his friend's sunglasses.
Visible crew/equipment: As Mel Gibson is getting off the fork lift, a camera man appears in the rearview mirror.
Chosen answer: It's not the sunglasses. It's the matches. Nick is acting as though he is coming closer to Joanna to get a pack of matches, which she then notices he already has. She realises that he is trying to eavesdrop on her conversation, and although she was previously buying his apology her demeanor changes drastically once she is finished with the phone call.
Oh my gosh, thank you! One of my favourite movies, yet I didn't get this scene.