For each MGM film Garbo was photographed on the set by a still photographer.
Garbo also had at least one session with a portrait photographer.

MGM Production:  282
Still photographer:  Bertram (Buddy) Longworth
Movie stills:  160
Portrait photographer:  Ruth Harriet Louise.
Source:  Garbo - Portraits From Her Private Collection  by S. Reisfield & R. Dance

Ruth Harriet Louise made the portraits during the filming of  Flesh and the Devil.
The Stills were made during the production by Bertram (Buddy) Longworth.
160 Movie Stills were shot.
More about the film: click   HERE!