Canon 2788A001, EF75-300 f5.6 /2 /3 EF75-300 f4 /2 /3 EF100-300 f4.5, Gray Canon 2788A001. Compatibility: EF75-300 f5.6 /2 /3 EF75-300 f4 /2 /3 EF100-300 f4.5, Product color: Gray