This is for a Canon EF mount 75-300mm III lens with both front and rear lens caps. This lens is in EXCELLENT condition and has been fully tested. The AF feature is working exactly as it should, and the glass is in excellent condition. No fungus, no haze, no scratches. Some light dust. I offer a 30 day no questions asked return policy. Your lens will be shipped usually within a few hours of purchase, and always within 24 hours.