Compare Tamron 272E for Sony to Tamron A16 for Sony

The 90mm f/2.8 macro lens boasts high resolving power and sharp image depiction with ideal background blur, making it the ideal lens for close-up and portrait photography. With emphasis on portability, this macro lens is compact and lightweight. A wide, smooth focusing ring makes delicate manual focusing in the macro mode easy and precise. Less

The SP AF17-50mm F/2.8 is a lightweight, compact, fast standard zoom lens designed exclusively for digital SLR cameras, expanding the product concept of the popular SP AF28-75mm F/2.8 zoom lens. In addition, portrait shots are made beautiful with the natural out-of-focus effect characteristic provided by the fast F/2.8 aperture. Additionally, a broader photographic expression through the use of faster shutter speeds as a result of the maximum aperture offers enhanced photographic pleasure. The lens boasts one of the best close-up shooting performances in the class of fast standard zoom lenses designed exclusively for digital cameras and featuring an F/2.8 maximum aperture throughout the entire zoom range, to ensure stress-free photographic shots at all focal lengths and distances. Less