Celebrating 50years of images captured by the light microscope, Nikon invites entries to the Small World competitions for 2025.

Nikon’s Small World is regarded as the leading forum for showcasing the beauty and complexity of life as seen through the light microscope. The Photomicrography Competition is open to anyone with an interest in microscopy and photography. The video competition, entitled Small World In Motion encompasses any movie or digital time-lapse photography taken through the microscope.

Winners will receive one of 20 prizes, sorted according to rank in the competition. The first three prize are $3,000, $2,000 and $1,000 (US) respectively.

The Nikon Small World Competition is open to anyone with an interest in photography through the microscope. Truly international in scope, entries have been received from the United States, Canada, Europe, Australia, Latin America, Asia, and Africa.

The Nikon International Small World Competition first began in 1975 as a means to recognize and applaud the efforts of those involved with photography through the light microscope. Since then, Small World has become a leading showcase for photomicrographers from the widest array of scientific disciplines.