Nikon D780 DSLR Camera (Body Only) - Manual (Page 314)

268 Options for Movie Recording and Editing
Note the following points when recording movies:
• Depending on memory card write speed, shooting may end
before the maximum length (
0 264) is reached.
• Note that the number of subjects that can be detected in face-
detection AF drops during movie recording.
• A 0 icon indicates that movies cannot be recorded.
• [ Spot metering ] is not available during movie recording.
• Flash lighting cannot be used.
Points to Note When Recording Movies