- 13mm, 21mm, and 31mm Tubes
- Maintains Automatic Lens Features
- Can Be Stacked
     The Pro Auto Macro Extension Tube Kit from Fotodiox is a set including 13mm, 21mm, and 31mm automatic tubes. The electronic contacts on these tubes allows for automatic functions to work, including autofocus and aperture control. The extension tubes can be used independently or added together for extreme macro photography. As no other optical components are added with this kit, the image retains the original optical properties of the lens. 
       - Any combination of tubes can be used for various reproduction ratios
 - Maintains the electronic functions of the lens, including autofocus and aperture control
     UPC: 847372022359 
         | Material | Anodized aluminum | 
  | Length | 3 Sections: 13 mm, 21 mm, and 31 mm | 
  
    | Packaging Info | 
  | Package Weight | 0.8 lb | 
  | Box Dimensions (LxWxH) | 4.7 x 3.8 x 3.0" | 
  
           In the Box
   FotodioX Pro Auto Macro Extension Tube Kit for Canon EF & EF-S Lenses
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