Minolta's late MD standard zoom — the 28-70mm f/3.5-4.8 walkaround from the early 90s.
The Minolta MD Zoom 28-70mm f/3.5-4.8 is a standard zoom manual-focus lens for Minolta reflex cameras from the tail end of the MD system in the early 1990s, one of the later manual-focus zooms produced after Minolta had largely shifted to autofocus. It covered a wide-to-short-telephoto walkaround range for manual-focus MD bodies.
This is a manual-focus standard zoom covering 28-70mm with a variable maximum aperture of f/3.5 at the wide end and f/4.8 at the long end. Only the focal range and variable aperture are stated as verified; other construction figures are not confirmed here and are omitted rather than guessed. It was a later, more consumer-oriented MD zoom.
The 28-70mm range covers everyday framing from moderately wide through normal to short telephoto, making it a versatile walkaround lens for general shooting, travel and landscapes. The variable f/3.5-4.8 aperture keeps size and cost down, at the expense of some speed as the lens is zoomed towards the long end.
On the used market this is a later, relatively common MD standard zoom bought by collectors completing the manual-focus range and by users adapting vintage glass. Given its age, check the elements for haze, fungus and separation, confirm the zoom and focus actions are smooth without excessive play, and verify the aperture works cleanly before buying.