Microfilms are high-resolution films, mostly halide films. Films for mircro-copying, that is exposing images extremely reduced in size.
They have been used in most different fields, either for archiving (typically spooled films) or distributing (microfiche).
Digital data processing and storing has taken part of the market for microfilms. However due to its longterm stability microfilm is ideal for archiving, especially as security copy.
Those high-resolution films for pictorial use are typically based on microfilms with modified development.
Last edited by AgX; 01-14-2013 at 01:20 PM. Click to view previous post history.