Vivitar 100-300mm MC Auto Focus Zoom Lens 55mm Japan w/ Hood & EF Marked Cap

Pre-owned Vivitar 100-300mm autofocus zoom lens. Lens is marked MC, Auto Focus, 55mm, and Made in Japan.  Includes one lens cap marked “EF.” Please note that the EF marking is on the removable lens cap only and is NOT confirmation that this lens has a Canon EF mount. The actual lens mount has not been positively identified. Please review the photos carefully to determine compatibility with your camera before purchasing.  Lens shows normal cosmetic wear from age and previous use. One lens cap is included; the opposite cap is missing.  Untested on a camera. Autofocus, aperture operation, and full optical/mechanical functionality have not been verified. Glass and cosmetic condition should be judged from the photos.  Included:  Vivitar 100-300mm MC Auto Focus zoom lens  One removable lens cap marked “EF”  Reversible/removable lens hood  The lens hood can be removed and reversed for storage or mounted facing forward for use.  Important: The “EF” marking is on the removable lens cap only. The actual lens mount has not been positively identified, so compatibility with Canon EF cameras is not guaranteed. Please review photos of the mount carefully to determine compatibility before purchase.  Lens is pre-owned and shows normal cosmetic wear from age/use. Untested on a camera, so autofocus, aperture operation, and full functionality have not been verified. One lens cap is included; the opposite cap is missing. No case, box, camera, or other accessories included unless...