The most common and most likely answer to this crossword clue is the 9 letter word PROJECTOR
I've seen this crossword clue in The Guardian
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More clues leading to the result PROJECTOR
Buddy explains!
The straight part
We know that "cinema equipment" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cinema equipment = projector.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PROJECTOR mean?
PROJECTOR noun- Someone who devises or suggests a project; a proposer or planner of something.
- An optical device that projects a beam of light, especially one used to project an image (or moving images) onto a screen.
- One who projects, or ascribes his/her own feelings to others.
- An operator that forms a projection.