Canon EyePiece | Customizable

Can be used for DIY EyeCup, and more.
fits on
Canon FX
Canon FP
Canon Pellix
Canon FT QL
Canon Pellix QL
Canon TL
Canon F-1
Canon FTb
Canon FTbn
Canon EF
Canon TLb
Canon TX
Canon F-1n
Canon New F-1
Canon AE-1
Canon AT-1
Canon A-1
Canon AV-1
Canon AE-1
Canon AL-1
Canon T50
Canon T70
Canon T80
Canon T90
Canon T60
EOS 300D/Digital Rebel/Kiss Digital
EOS 350D/Digital Rebel XT/Kiss Digital N
EOS 400D/Digital Rebel XTi/Kiss Digital