Filmmaker Sandro Bocci has turned high-magnification macro lenses on coral reefs for a short film that treats the organisms as works of pattern and colour. Made for Bocci's collective Julia Set Lab, Iteration moves through reefs at a scale the naked eye cannot register, where subtle shifts in gradient, bold juxtapositions of colour and an apparently endless diversity of recurring motifs fill the frame.

The film is set to music by Maurizio Morganti, and it is the pair's second collaboration. Their shared interest lies in using technology to make work at the intersection of art and science, and Iteration follows that approach closely: the camera does not document the reef as a landscape but isolates its surfaces, letting texture and geometry carry the viewing experience.

What emerges is a portrait of complexity rather than a nature lesson. Coral appears not as a backdrop for marine life but as the subject itself, an extraordinary organism whose growth produces forms that repeat, vary and collide. The macro viewpoint makes that abundance visible in a way wide shots cannot, turning a familiar subject into something strange and engrossing.

The choice of coral as a subject also carries a quiet ecological undertow, though the film itself stays close to observation rather than argument. Reefs are among the most threatened habitats on the planet, and seeing their structures at this magnification gives a sense of what is at stake without needing to spell it out. The patterns that look abstract on screen are living architecture, built slowly by colonies of tiny animals, and the film's patience mirrors that slow construction.

The film is available to watch on Vimeo alongside the collective's other films. For viewers, its appeal is straightforward: a few minutes of close looking at a world that is usually seen from too far away, rendered with the patience and precision that macro photography demands.