Yongnuo Smart adapter question

niels123

EOS RP
Jan 27, 2015
278
0
Attached is a picture of the Yongnuo Canon EF to Sony E Smart Adapter. Does anyone knows if it is possible to glue a filter adapter ring onto the part marked in red in the picture? I'd like to get this adapter if it is indeed possible so I can attach UV/ND/polarizer filters behind the EF lens :)
 

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