Visible crew/equipment: When Luke, Han, Leia, and Chewbacca are in the trash compactor, there is a shot of Chewbacca knocking on the door. If you look to the right side of him, you can see the reflection of the blue stage lights on the metal part of the wall.
Visible crew/equipment: When the Black Knight falls from his horse while attacking Dennis there is a lorry parked in the background. (01:33:05)
Visible crew/equipment: When the little boy is looking out the window of the farmhouse toward the sky to see the incoming spaceships (where he says "toys" rather excitedly), as the camera closes in toward him you can see the shadow of the camera/crane on the right side of the screen. The shadow changes as the camera zooms in. (00:49:55)
Visible crew/equipment: During the opening scene when the boat is being pushed ashore you can see the shadow of the boom mike in the water's edge.
Visible crew/equipment: The wires holding Jaws to the magnet are visible.