
1) Exposure 2) Inadequate publicity
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https://www.crosswordclues.com/clue/underexposure

- exposure to too little light or for too short a time
- the act of exposing film to too little light or for too short a time
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The unwanted effect of film that has been exposed to insufficient light or sufficient light for an insufficient amount of time. Resulting images are dark and lack definition, color and detail
Found on
http://www.allmovie.com/glossary/term/underexposure

(Digital cameras and photo printers) When a shot does not receive enough light with the result that the scene is too dark.
Found on
http://www.encyclo.co.uk/local/20472

A condition in which too little light reaches the film, producing a thin negative, a dark slide, or a muddy-looking print
Found on
http://www.encyclo.co.uk/local/21048

A condition in which too little light reaches the film, producing a thin negative, a dark slide, or a muddy-looking print.
Found on
http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl

[
n] - the act of exposing film to too little light or for too short a time 2. [n] - inadequate publicity
Found on
http://www.webdictionary.co.uk/definition.php?query=underexposure
noun the act of exposing film to too little light or for too short a time
Found on
https://www.encyclo.co.uk/local/20974

Filming a scene with less light than the emulsion of the film needs for a correct exposure. The image will be too dark. If compensated for in printing, the image will appear grainy, and very muddy.
Found on
https://www.encyclo.co.uk/local/21112

inadequate exposure, as of photographic film. · a photographic negative or print that is imperfect because of insufficient exposure.
Found on
https://www.infoplease.com/dictionary/underexposure
No exact match found.