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Vacuum back SWPP and BPPA Photographic Glossary

Monday 21st April 2014  




SWPP & BPPA

Glossary
 

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Vacuum back

Camera back with a perforated plate through which air is drawn by a pump. A sheet of film is therefore sucked flat against the plate and held firmly during exposure. Used for special large format cameras such as copying devices where dimensional accuracy is critical.



 

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