Sell 13MM 21MM 31MM Auto Focus Macro Extension Tube for Canon EF/EF-S Lens best price

Extension tubes, enabling a lens to focus closer than its normal, which magnifies your subjects. Usually, you only need to pay a little money to get a macro photography and maintain the original optical quality. Main Features: Suit for all Canon EF and EF - S mount lenses. With 3pcs tubes that are 13mm, 21mm and 31mm adapters, 7 different combination ways. Gold-plating connectors support autofocus and metering. color: Black&Red Material: Aluminum alloy Product Size(L x W x H): 6.50 x 6.50 x 8.00 cm Package Contents: 1 x Extension Tube 3x Adapter ring (13MM 21MM 31MM) 1x front cover + Back cover Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.