Kenko DG Extension Tube Set for Canon EF Prime Lens Focusing and diaphragm operation are

Focusing and diaphragm operation are excellent

and its biodegradable ingredients are about as friendly as it gets for a developer

Light internal dust

with no dents or dings

5 skylight filter for 72mm filter threads

Kenko DG Extension Tube Set for Canon EF Prime Lens Focusing and diaphragm operation areA set of three extension tubes for Canon EF mount: 12mm, 20mm, and 36mm. These tubes have the electronic contacts necessary to maintain autofocus and autoexposure capabilities. If you're curious about dabbling in macro work, this is an inexpensive way to get started. Compatible with EF and EF S lenses and cameras. In excellent condition.