Metal mount with a new exterior design used.The lens is fully compatible with all full range of Canon DSLR Camera.
Digital era coating suppresses flaring and ghosting, Distance Information: Yes, Lens construction (elements/groups): 6/5
By using STM (gear type), AF drive noise is quieter than the existing products DC motor

3 compartments and 1 large front pocket
Outer fabric: PU coated water resistance 1680D and 1000D combination
Dimension: 18.75×12.75×9.5 (HxWxD) in inches, capacity: 37L