The tamron 90mm f28 sp af di macro lens for sony alpha and minolta maxxum is for use with sony alpha and minolta maxxum cameras and 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 this lens has been re designed to include a built