Originally produced by Minolta, and currently produced by Sony, the AF Macro 50mm 2.8 is a macro prime photographic lens compatible with cameras using the Minolta A-mount and Sony A-mount lens mounts. See also List of Minolta A-mount lenses list of other A-mount lenses Sources Dyxum lens data External links Sony: SAL-50M28: 50mm F2.8 Macro Lens Camera lenses introduced in 1985 50 Minolta 050mm f/2.8