Term - Vacuum back
|Vacuum back||SWPP and BPPA Photographic Glossary|
Friday 21st November 2014
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.
Information provided by: SWPP BPPA
SWPP & BPPA, 6 Bath St, Rhyl, LL18 3EB