Visible crew/equipment: When the Wampa (ice creature) kills Luke's Tauntaun, the end of the "glove" used as the Wampa's arm can be seen in the bottom left corner, as well as the arm of the crew member wearing it. Widescreen only. Note that this has been fixed on the 2011 Blu-ray release. (00:03:55)
Visible crew/equipment: When the Snow Speeders are looking for Luke and Han, you can see the blue screen reflected on the angled side of the pilots' goggles. (00:16:00)
Visible crew/equipment: While in hot-pursuit, Han and Chewie are desperately trying to fix the Millennium Falcon (just after C-3PO informs them of the damaged hyperdrive, making light-speed impossible). In one shot Chewbacca has a bare human thumb, without gloves or makeup, and can be easily spotted in the lower left part of the screen. (00:38:00)
Visible crew/equipment: This can only be seen in the widescreen version. When Han, Leia and Chewie venture out of the Falcon to investigate the cave they're hiding in on the asteroid, as they walk towards the left of the screen you can see the edge of the tarpaulin sheet they're standing on as well as the faint outline of a crew member trying to get out of the camera shot. (00:58:40)
Visible crew/equipment: When C-3PO is on the conveyor belt, if you look in the reflection in his head you can see the camera crew. (01:26:40)
Visible crew/equipment: When Luke and Vader are fighting in the carbon-freezing room, in the wideshot after Luke does a somersault, a crew member is visible in the steam on the right side of Vader, moving out of the way. (01:40:50)
Suggested correction: It's Luke, not a crew member.
Visible crew/equipment: A few seconds after Slave 1 (Boba Fett's ship) takes off there's a close-up of R2 and the camera and two crew members are reflected in his head. (01:43:15)
Visible crew/equipment: A boom microphone is reflected in Luke's goggles when he says "Hey, what's the matter? You smell something?"
Visible crew/equipment: When Luke's X-Wing crashes into the swamp, the set lighting is visible along the edges of the swamp (most noticeable in the the first shot of him getting out of his ship in the original 1980 version of the film).
Visible crew/equipment: When the snowspeeders exit the rebel base to go to the battle, there are rails under them.
