Lens hoods are primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens. In addition, since the end of the lens is extended, you also get the added benefit of some extra protection from accidental impact.
JJC LH-DA09 replaces TAMRON DA09
Compatible for :
- Tamron A09 28-75mm f/2.8 XR Di LD Aspherical (IF) Lens
- Tamron A16 17-50mm f/2.8 Di-II LD Aspherical [IF] Lens