Kooka AF Extension tube set for Canon (12mm,20mm,36mm)

Extension are exceptionally useful for macro photography, enabling you to convert almost any lens into a macro lens at a fraction of the cost while maintaining its original optical quality. This Autofocus Extension Tube Set (12/20/36mm) for Canon from KOOKA contains three tubes of different length, a 12 mm, 20 mm, and 36 mm, which can be used individually or in any combination to obtain the desired magnification.

Features:

• Enables closer focusing for close-up/macro photography.
• Alluminium contacts
• Maintains autofocus ,auto-exposure, and full TTL metering with Canon DSLR's and EF/EF-S lenses
• Set contains 3 tubes that vary in length.
• Tubes can be combined for greater effect.
• Metal construction.
• Lens mount index