Sigma obiettivo grandangolare 18 mm f/3.5 per Canon AF + 31 mm C-EOS + 21 mm tubi Jessop
21mm Jessop Extension Tube. 31mm C-EOS Extension Tube. Item: Sigma 18mm f/3.5 Wide Angle Lens for Canon Auto Focus Mount. Focal Length: 18mm. Mount: Canon EF (Auto Focus Compatible). Both extension tubes are included and fit securely.