Tamron 17-28mm F2.8 - Tamron Lenses For Sony,17-28mm F/2.8 Di III RXD (Model A046) | Lenses | TAMRON,17-28mm F/2.8 Di III RXD (Model A046) | Lenses | TAMRON,タムロン、フルサイズEマウントレンズ「17-28mm F/2.8 Di III RXD」を正式発表 - デジカメ Watch,Tamron 17-28mm f/2.8 Di III RXD (A046) Review | ePHOTOzine