?It moves the lens farther away from your film or digital sensor£¬ transforming your lens into a macro lens.? <br><br><strong>Features:</strong> <br>Includes 3 entension tubes: 13mm£¬ 21mm£¬ 31mm£¬ allowing you to change the focus length according to your needs. <br>It is suitable for Canon EF / EF-S lenses£¬ can transform the lenses into macro lens. <br>Automatic focusing design and support for TTL auto exposure£¬ provides sharp£¬ defined images. <br>Fine copper contact point with excellent conductivity. <br>It does not affect image quality as there is no optics inside. <br>Unique design of dull polish£¬ provides exquisite appearance which looks like a part of your camera. <br>Detachable design£¬ easy for you to install and carry about£¬ perfect for outdoor photography. <br><br><strong>Specifications:</strong> <br>Material: ABS &amp; Metal <br>Extension Length: 13mm; 21mm; 31mm <br>Compatible Camera: for Canon DSLR Camera(such as for?CANON EOS 760D 750D 700D 650D 550D Rebel T2i T3i T4i T5i 5D3 5DR 5DRS 70D 7D2 60D 5D2) <br>Item Size: 8.1 * 6.5 * 6.5cm / 3.2 * 2.6 * 2.6in <br>Item Weight: 146g / 5.2oz <br>Package Size: 9.5 * 7.1 * 7.1cm / 3.7 *3.0 * 3.0in <br>Package Weight: 188g / 6.6oz <br><br><strong>Package List:?</strong> <br>1 * 13mm Tube Extension <br>1 * 21mm Tube Extension <br>1 * 31mm Tube extension <br>2 * Lens Cap