*Auto Focus Macro Extension Tube 13/21/31MM for Canon Camera EF EF-S Lens
*Suitable for all Canon EF and EF – S mount lenses
*Allows a lens to focus closer than its normal, magnifying your subjects
*With 3pcs tubes that are 13mm, 21mm and 31mm adapters, 7 different combination ways.
*Built-in gold-plated electrical contacts to remain autofocus function and realize mechanical focus at the same time
*Gold-plating connectors support autofocus and metering
*Small size, light weight and easy to carry
*Optional Color: Red, Silver(As Pictures Show)
Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.