Cluster of snow crystals (snowflakes)
Honorable Mention, 2007 Photomicrography Competition
Jesper Grønne

Nikon’s Small World

Celebrating 46 years of images captured by the light microscope.

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.

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Deadline for Entries

Apr 30, 2021

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Photomicrography Competition

The Nikon 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.

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Video Competition

In 2011, Nikon announced that it would begin accepting movies taken through the microscope as a new category in the 37th annual Nikon Small World Photomicrography Competition. This new category, titled Small World in Motion, encompasses any movie or digital time-lapse photography taken through the microscope and adds a new, distinct discipline to the competition.

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Small World News

Small World in Motion Winners Featured on Business Insider

The Business Insider team sat down with several winners to get a better understanding of their entries that are not only eye-catching but groundbreaking in the scientific community.

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Play "Guess the Tiny Object" on

Popular Science features 2020 Small World winning images in a "guess the image" game.

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Masters of Microscopy

Photographer and multiple Small World winner Charles Krebs on how he developed a sharp eye for microscopy.

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Masters of Microscopy

The first place winner of the 2020 Small World Photomicrography Competition discusses his research at the National Institutes of Health.

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2021 Calendar

The 2021 Nikon Small World wall calendar features the winning images from the 46th annual photomicrography competition (U.S. only).

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Nikon's MicroscopyU website features technical support and timely information about all aspects of optical microscopy, photomicrography, and digital imaging.

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Nikon Instruments

Nikon Instruments is a leader in microscope-based optical and imaging technologies for the life sciences and part of the Nikon Healthcare Business Division.

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