Film that will divide opinion to some degree (5)
I believe the answer is:
video
'film' is the definition.
(I've seen this before)
'will divide opinion to some degree' is the wordplay.
'to some degree' indicates the answer is hidden within the clue.
'VIDEO' is hidden in the letters of 'will divide opinion'.
'that' is the link.
(Other definitions for video that I've seen before include "Record footage" , "Taped film" , "TV cassette" , "(Tape for) recorder of film etc" , "Recorded film cassette" .)