I remember two slide shows from the 1970s, both projected on a fairly large screen. One was of the Holy Lands, taken with an Argus C3 and accompanied by an informative and smooth monologue. The other was from an extensive tour of Red China when that country was closed to most outsiders. A 110 format camera was used. The projected images were very grainy and poorly detailed, but illustrated the accompanying talk quite well. Images from both shows would not have compared with photos by technically and artistically proficient amateurs. However, for the intended purpose, they were fine. Photos that awed the audience might have even distracted from the more important messages of the presentations. We should consider context when judging some photography.