Extended EF 2x III
Canon USA Part# 4410B002
Lenses and Filters – TAA Compliant – Lens - Teleconverter - 2x Magnification - Lens - SLResL - 2.8" Diameter - Japan - 2.1" Height - Canon SLR Lenses: - L Series - EF 70-200/2.8L - EF 70-200/2.8L IS - EF 70-200/4L - EF 100-400/4.5-5.6L - ...