Zeikos ZE-CVAFC Auto Focus Macro Extension Tubes for Canon
The Zeikos ZE-CVAFC Auto Focus Macro Extension Tubes are perfect for taking photos of flowers, bugs, coins, and any other close-up objects that you want. 3 tubes are provided (12mm, 20mm & 36mm). They can be used individually or in combination to obtain the desired effect. they are compatible with Canon DSLR's or Film cameras.