Viltrox Metal Mount Auto Focus Macro Extension Tube Ring Set 12mm 20mm 36mm for Canon EF & EF-S Lens DSLR Camera 760D 700D 90D 80D 70D 5D 6D 7D 1300D Rebel T6 T7 T5 T8i T7i T6i T6s T5i T4i SL3

Compatible with :Canon 1300D 1500D 760D 750D 800D 700D 650D 600D 80D 70D 5DII 5DIII 5DIV 6D 7D etc Camera and Canon EF EF-S series Lens The AF Extension Tube Set can transform your Lens into a Macro Lens. It moves the lens from the film or digital sensor. The closer the focus is, the greater the magnification Configuration:Engineering plastics material + metal bayonet,seven kinds of combinations, seven kinds of magnifications,Perfect for macro shooting Tube Lengths: (1) 12mm.(2) 20mm.(3)36mm, Macro extension tube can be used alone or in superimposed When using the extension tubes alone (10mm or 20mm or 36mm ) or combination (10mm+20+36mm=66mm),support AF(Auto-Focus), AF Motor Protection: while using 3 rings together, we suggest you to use manual focus or Increase the lens focal lengths for it's a little bit difficult to auto-focus with 3 rings together, and also protecting your lens motor