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 Snowman stops off at the diner, when he enters and leaves from the diner, various crew-members and equipment are visible in the windows on the doors.
Visible crew/equipment: The wires holding Jaws to the magnet are visible.
Visible crew/equipment: When Regan is leaving the scrapyard after speaking to Ronnie Brent camera lights are reflected in the side of the silver car.
Visible crew/equipment: A boom microphone is visible at the top of the screen in the office scene, about 11 minutes from the start of the film.