Tamron 90mm f2.8 Macro is an Auto Focus (AF) Macro Prime lens with 35mm FF max sensor coverage. When mounted on a 35mm FF sensor camera, it will give you an FF equivalent focal range of 90mm. With a max aperture of f2.8, this is a fast lens.
Tamron 90mm f2.8 Macro is not a weather sealed lens, so you have to be extra careful against rain and dust. Tamron 90mm f2.8 Macro was replaced with Tamron SP 90mm F2.8 Di VC USD 1:1 Macro Sony Alpha. Follow the link to read our comparison of these cameras: Compare Tamron SP AF 90mm F2.8 Di Macro Sony Alpha vs Tamron SP 90mm F2.8 Di VC USD 1:1 Macro Sony Alpha