Brings to light but barely shows (7)
I believe the answer is:
exposes
This clue might be a double definition.
'brings to light' is the first definition.
(I've seen this before)
'barely shows' is the second definition.
'exposes' can be an answer for 'shows' (exposing is a kind of showing). I'm unsure of the 'barely' bit.
'but' is the link.
Can you help me to learn more?
(Other definitions for exposes that I've seen before include "Deprives of cover" , "scandalous revelations?" , "Uncovers" , "Brings to light" , "Reveals" .)