Approached an artist with a photographic device (6)
I believe the answer is:
camera
'a photographic device' is the definition.
(I've seen this before)
'approached an artist' is the wordplay.
'approached' becomes 'came' (come can mean to approach or get closer).
'an artist' becomes 'RA' (Royal Academician, member of Royal Academy of Arts).
'came'+'ra'='CAMERA'
'with' is the link.
(Other definitions for camera that I've seen before include "Litght-proof box with a lens" , "Picture producer" , "Image recording apparatus" , "An image-capturing device" , "Photographer's kit" .)