microphotography

noun

1. microfilm(def 1).
2. a small photograph requiring optical enlargement to render it visible in detail.
3. a photomicrograph.

noun

1. a photograph in which the image is greatly reduced and therefore requires optical enlargement for viewing purposes
2. a less common name for microcopy, photomicrograph (def. 1)

n.

1. A photograph requiring magnification for viewing.
2. photomicrograph