The Tamron HA036 Lens Hood is designed to prevent unwanted light from entering the lens. It is especially useful for eliminating glare and protecting the front of a lens.
Tamron 17-70mm F/2.8 Di III-A VC RXD Lens for Sony APS-C mirrorless cameras
Tamron 28-75mm F/2.8 Di III RXD Lens for Sony FE full-frame mirrorless cameras
Tamron 28-200mm F/2.8-5.6 Di III RXD for Sony FE full-frame mirrorless cameras