Tamron 60mm f2 II LD IF Macro is an Auto Focus (AF) Macro Prime lens with APS-C / DX max sensor coverage. When mounted on a APS-C / DX sensor camera, it will give you an FF equivalent focal range of 90mm. Providing a max aperture of f2 at 60mm, this lens is very fast.
Tamron 60mm f2 II LD IF Macro is not a weather sealed lens, so you have to be extra careful against rain and dust.