The lens hood offers several advantages to photographers. Primarily, it shields the lens from stray light, which can lead to unwanted color casts or a haze in the image, as well as lens effects. The shading of your lens enhances contrast and image quality. Additionally, it provides limited protection against moisture and dirt blown by the wind from entering the lens element, and offers extra protection against accidental impacts. Designed for the Tamron SP 24-70mm f/2.8 Di VC USD G2 lens.