Canon 1.4 extender original owner mint like new condition, no issues.Used this extender with my Canon 70 -200 2.8 lens... Since I purchased a 300 mm lens I find myself no longer using this extender.Comes with box, paperwork, and pouch.285.00cash onlyLeave name and number for a response.Canon Tamron Nikon Olympus Pentax Rokinon Sigma Sony Tokina Zeiss