Editing Chroma key (section)

====Camera====
The depth of field used to record the scene in front of the coloured screen should match that of the background. This can mean recording the actors with a larger depth of field than normal.<ref name="bermingham">{{Cite book | first= Alan | last=Bermingham | title= Location Lighting for Television | year= 2013 | publisher=Focal Press | isbn=978-0-240-51937-1 | page= 42 | url=https://books.google.com/books?id=7bAcAAAAQBAJ&pg=PA42}}</ref>