Tamron
70-200mm F2.8 AF SP Di Macro for EOS
Professional telephoto zoom lens
The Tamron 70-200mm f/2.8 Di LD (IF) Macro Lens is a telephoto zoom lens that has a large maximum aperture of f/2.8 which remains constant throughout the zoom range. Di (Digitally Integrated Design) is an optical system designed to meet the performance characteristics of DSLR cameras. LD glass and internal focusing put this lens in same category as the high end professional Tamron lenses.