Luke's ocular device has a single objective (the part you see out of). But when we see what he sees, the view shows the double objective of common binoculars. Compare this to the view through the Hoth trooper's identical device, which shows a single rectangular image.
Rogue 2 radios to the rebel base that he found "them," even though he only sees Han. Luke might still be missing for all he knows. Unless by "them" he meant Han and the Tauntaun.
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Luke's legs are closer together in the close-up of the cave ceiling.
If you look closely at the Wampa's arm, you can see where the fur ends and a sleeve begins.
Luke manages to slice off the Wampa's arm. It seems like, rather than running out into the frozen darkness, he might've finished off the creature and spent the night in the relative shelter of its cave. More...
Ben tells Luke to go to the Dagobah System to find Yoda. But he never says which world in the system to visit. Maybe the system only has one planet.
Luckily, Luke lands his X-Wing very near to Yoda's home, considering he had an entire planet to search.
Trying to hide from the Imperials, Han flies the Falcon into a cave in an asteroid, unwittingly entering the mouth of a giant space slug. The creature or the asteroid must have its own atmosphere, because Han, Leia, and Chewie are able to walk around inside it without any type of space suit. More...
