Canon
Canon Extension Tube EF 25 II
The Canon EF 25 II is a better choice for normal or telephoto lenses. Canon EF25 II Extension Tube is a simple accessory that moves the lens optics further away, thus increasing the magnification of the lens. It has electrical connectors so that communication between lens and camera is maintained, but no optical elements of its own. Get yours from Parallel Imported today!
Features:
Recommended for Lenses with a Focal Length of 50mm and up
Extension Tube EF 25 II is recommended for lenses with a focal length of 50mm and up (EF-S 18-55mm can be used at middle and tele zoom settings).
Compatibility
Compatible with digital EF-S lenses, as well as EF and TS-E lenses
Electrical Connectors
The tubes have electrical contacts, which enable data transfer between the lens and camera to be maintained.