More on Amazon.com : http://www.amazon.com/gp/product/B00E7L2902?tag=thefatkidin06-20
Neewer? AF Electronic Automatic Focus 25mm DG II Macro Extension Tube 25mm For Canon EOS EF
The DG II extension tubes have no optics They are mounted in place between the camera body and lens to create more distance between the lens and film plane By moving the lens farther away from the film or CCD sensor in the camera the lens is forced to focus much closer than normal The greater the length of the extension tube the closer the lens can focus
With electronic contacts it supports automatic focus automatic exposure
Designed with 14 tripod mount
Two protector caps
Length 25mm
