It's admitted in camera, briefly (5)

I believe the answer is:

light

I'm a little stuck... Click here to teach me more about this clue!

'briefly' is the definition.
Both the definition and answer are adverbs. Perhaps there's a link between them I don't understand?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for light that I've seen before include "Not dark; not heavy" , "free gift from The Sun" , "Not having full load" , "Flimsy" , "Brightness" .)

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.