2021 Microscopy Today Micrograph Awards


Open 3rd


Prize. Midge larva. Tracheal bladders of the midge larva of genus Chaoborus, also known as the glass worm, act as bubbles that regulate the depth of


immersion. These larvae are active predators, feeding on small crustaceans (Daphnia, cyclops) and young mosquito larvae. Dark-field and polarized light microscopy. Image by Andrei Savitsky, independent microscopist, Cherkasy, Ukraine.


microscope. But with focus-stacking soſtware, light micro-


graphs now can be in sharp focus over a considerable depth of field. Our judges evaluate submitted micrographs on large high-resolution monitors that can reveal lack of sharpness, as well as other image defects. We request that submitted images have both inherent sharpness and sufficient pixel density to be presented in an 11” × 14” format suitable for hanging in an exhibition. Oſten, image sharpness can be maintained by acquiring the micrograph at a lower magnification than might


Video Category


be required for research purposes. Acquisition at high pixel density is now available to most microscopists since the cost of suitable cameras has decreased dramatically over the last decade. An excellent micrograph with only a modest pixel den- sity is not necessarily eliminated from the competition, but jus- tification may be required to allow the image to be competitive. So, what makes a winning micrograph? Microscopes


reveal interesting features and patterns in objects that are not visible to the naked eye. Some microscopists encounter these


Video 1st


Prize. Crystallization of taurine from saturated solution. During polarized light imaging, the polarizer with its ¼ lambda compensator and the compensator


at the objective front lens were rotated to create the changes in interference colors. Dark-field polarized transmitted light microscopy. Video by José Martínez-Lopéz, independent microscopist, Juarez, Mexico.


2021 September • www.microscopy-today.com 21


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