Tamron 100-400mm F4.5-6.3 Di VC USD Lens [Canon] cmmakeopenbox The optical design employs both

The optical design employs both aspherical and extra-low dispersion elements

as well as two plastic BlackRapid Lockstar Breathe Carabiner Protectors

Floating Focus Design ensures sharpness throughout the focus range while keeping the lens compact

- Treated outer fabric for water resistance

With over 500+ full-power flashes on a single charge

Tamron 100-400mm F4.5-6.3 Di VC USD Lens [Canon] cmmakeopenbox The optical design employs bothA flexible lens for telephoto shooting, the Canon EF mount 100 400mm f 4. 5 6. 3 Di VC USD from Tamron spans a useful focal length range along with a lightweight design for even greater versatility. The lens's optical design incorporates three low dispersion elements to suppress color fringing and chromatic aberrations, while an eBAND coating has been applied to individual elements to reduce lens flare and ghosting for greater contrast and clarity.