microphotograph

A photograph requiring magnification for viewing.

A photograph on microfilm.

A photograph of any object, made so small as to require a microscope for its examination; “a microscopic photograph of a macroscopic object” (A. C. Mercer).

See photomicrograph.

A microscopically small photograph of a picture, writing, printed page, etc.

An enlarged representation of a microscopic object, produced by throwing upon a sensitive plate the magnified image of an object formed by a microscope or other suitable combination of lenses.

A photograph so reduced in size that it must be viewed through a lens or a microscope.

A photograph taken through a microscope, an enlarged picture of a very small item or area; a photomicrograph.