This mint example of a Canon AF fit extension tube. Extension tubes are a perfect solution to allow ultra close focusing without sacrificing the optical properties of your lens. ProMaster Macro Automatic Extension Tubes are engineered for a precise fit and proper communication between your camera lens and body.
The Extension Tube for Canon EOS includes three tubes (12mm, 20mm and 36mm)  that can be used individually or in combination to gain the right magnification for your particular need.