Visible crew/equipment: In the scene where the deadites are invading the drawbridge, a person gets slashed by a guy on a horse. When he falls, if you look quickly enough you can see the end of an airbag come up under the bridge.
Visible crew/equipment: In the scene where Ash first goes to the graveyard where the Necronomicon is said to be located, for the first second of the third shot of the camera "chasing" Ash, in the lower lefthand corner you can see the booted foot of the person carrying the camera. (00:28:40)
Visible crew/equipment: Before Sheila gets captured by the winged demon, as it is flying, you can see the what looks like a smaller winged demon behind it which is the crane holding it up or a problem with the film. (00:46:36)
Visible crew/equipment: When the Army of Darkness marches towards the castle you can see a camera man in the bottom corner a few times. Widescreen version only.
Answer: Towards the end of the film, when Ash mounts his horse and rides off into the sunset (before it then cuts to present day and he's back at the S-Mart), you can see his chainsaw is strapped to the horse's saddle. It seems that he either recovered it after the battle or perhaps he sent someone to the windmill to retrieve it.