In judgingNikon Instruments Inc.

Nikon Small World Photomicrography Competition 2026

Nikon Small World is the world's leading photomicrography competition (images captured via light microscope), running since 1975. The 2026 cycle closed on 30 April; up to three photomicrographic images per entrant. Top prize is USD 3,000 plus ranked prizes through 20th place. AI-generated images are explicitly banned and the sponsor reserves the right to request original files for verification.

AI bannedRAW for finalists
Deadline
May 1, 2026
Official siteRead full rules

The 2026 edition has ended

Entries closed on May 1, 2026. The information on this page describes this edition and stays available as a reference for the rules and the results.

Still open for entries

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Authenticity policy

AI policy

AI generated images are not permitted, and Sponsor holds the right to request the original image for verification.

RAW files

AI generated images are not permitted, and Sponsor holds the right to request the original image for verification.

Editing rules

Images must be taken using a light microscope (electron and other non-optical microscopy ineligible). Macro photography is not eligible. The competition is one of the leading scientific-imaging awards globally and has run since 1975.

Verified on June 12, 2026

Frequently asked questions

Can I still enter Nikon Small World Photomicrography Competition 2026?
No. Entries for the 2026 edition closed on May 1, 2026. Check the official site for the next edition, or look at contests that are currently open.
Does Nikon Small World Photomicrography Competition 2026 allow AI-generated images?
No. Nikon Small World Photomicrography Competition 2026 does not permit AI-generated images in its competition entries.
Are RAW files required to enter Nikon Small World Photomicrography Competition 2026?
Finalists may be asked to supply their RAW files for verification.
When is the Nikon Small World Photomicrography Competition 2026 entry deadline?
Entries for Nikon Small World Photomicrography Competition 2026 close on May 1, 2026.
How much does it cost to enter Nikon Small World Photomicrography Competition 2026?
Nikon Small World Photomicrography Competition 2026 is free to enter.

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