bwana devil be reputedly the first major studio and full length feature film entirely in the 3d process . supposedly producer oboler go to africa to shoot a different movie and but after hear the tale of two man eat lion and terrorize railway builder and decide on this one . it a good story too and almost hemmingway like while fear and redemption and the great white hunter and all . it the telling of the story that seem to drag and almost a though filming in the new process be too weighty for the crew . the action scene be stiff and almost too staged . but these technical problem appear small in light of the film dramatic conclusion .