Scientists, photographers and photomicrographers have until 30 April to submit images taken through the light microscope for consideration in the Nikon Small World Photomicrography Competition.
Nikon Small World celebrates the world's best photomicrographers who showcase advanced scientific disciplines, while demonstrating an understanding of the beauty that can occur at the intersection of science and art.
Contestants may submit up to three images, either digitally through the website, or by posting film.
Rules and entry forms are also available from the website.
Entries will be judged by industry experts on a variety of criteria including originality, informational content, technical proficiency and visual impact.
Entrants may use any brand of equipment to create their images.
