Dot Line Manual Extension Tubes for Canon EOS Cameras, 12mm, 20mm & 36mm

The Dot Line Manual Extension Tube Set is an easy way to get dramatic close-up photographs using your Canon EOS camera and lens. Just attach your lens to the tube, attach the tube to the camera and move in close until your subject is in focus. All functions are in manual mode using these extension tubes. A set of three tubes is included: 12 mm, 20 mm and 36 mm.