Photography played a central role in their work. Using simple but effective equipment, the brothers captured thousands of images that revealed both the beauty and diversity of human civilization. Their photographs showed traditional clothing, ceremonial rituals, ancient tools, and landscapes untouched by industrialization. Many of these cultures would later undergo dramatic transformation, making the Omidvar archive an invaluable historical record.
The brothers also produced documentary films that introduced Iranian audiences to distant societies and unfamiliar ways of life. At a time when international travel was inaccessible for most people their lectures and exhibitions opened a window to the wider world. Audiences were fascinated by stories of encounters with Inuit communities in the Arctic, tribes in the Amazon rainforest, and indigenous peoples in Africa and Oceania. Through these presentations, the Omidvar Brothers encouraged curiosity about different cultures and promoted the idea that humanity shares common values despite geographical and cultural differences.

