Is a 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
Found on
http://www.encyclo.co.uk/local/21048
Is a 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.
Found on
http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl
No exact match found.
