LD glass elements reduces various aberrations while minimizing the fall-off of light at the corners. XR (Extra Refractive Index) Glass. Tamron Zoom Wide Angle-Telephoto AF 28-75mm f/2.8 XR Di LD Aspherical (IF) Autofocus.Rear Lens Cap for Canon EOS. There will be no price protection, if the price of an item changes after purchasing. Do not deface original factory cartons or packaging in any manner. We will not accept a return if the goods are not in its original condition. Do not discard box, until equipment has not been tested. The item "Tamron 28-75mm f/2.8 XR Di LD Aspherical (IF) Autofocus Lens for Canon Cameras" is in sale since Thursday, October 11, 2018. This item is in the category "Cameras & Photo\Lenses & Filters\Lenses". The seller is "redtagcamera" and is located in Brooklyn, New York. This item can be shipped worldwide.