Now celebrating its 42nd year, Nikon Small World is widely regarded as the leading forum to recognize proficiency and photographic excellence of photography taken under the microscope. To select the winners, competition judges analyzed entries from all over the world. The 2016 Nikon Small World winners will be revealed on October 19th, 11am EST. This year, the winning images will be first unveiled on Instagram (@NikonInstruments), giving followers an advanced sneak peek. Here’s a look at some of the finalists. See more news-related photo galleries and follow us on Yahoo News Photo Tumblr.