Metal Mount Lens Adapter Auto Focus AF Macro Extension Tube Ring for Canon EOS EF-S Lens 750D 80D 7D T6s 60D 7D 550D 5D Mark IV

This is a superior Phootlex Auto Focus Extension Tube set which includes 3 tubes of differnet lenghts 13mm, 21mm, and 31 mm - which can be used individually or in any combination to obtain the desired magnification.

These extension tubes are designed with all the circuitry and mechanical coupling to maintain auto focus and TTL auto exposure for Canon lenses, given there is enough light to activate the cameras AF system properly.