Visible crew/equipment: When the sheriff shoots Jason with a shotgun you can see the cable pulling him back. (01:06:45)
Visible crew/equipment: When one of the female counselors is walking towards the window because she heard a noise you can see the top of the camera shooting the angle from outside above the window sill. (00:44:40)
Visible crew/equipment: At the beginning when the girl is in the mud Jason rams a pole through her head. At the moment when the camera backs up and you see Jason and the girl in the puddle, there is someone's head moving into the picture at the bottom right corner then moves away. You can see a shadow too.