DF or NDF
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John Froton
Well-known member
Use drop frame 
Since the video signal is recorded in NTSC 29.97 fps, the drop frame allows for the .03 fps offset of the video to conform to real time based on 30 fps.
Since the video signal is recorded in NTSC 29.97 fps, the drop frame allows for the .03 fps offset of the video to conform to real time based on 30 fps.
Barry_Green
Moderator
You don't get a choice: if you're shooting 24p, the system uses NDF.
John Froton
Well-known member
Ahh sheep dip .... I guess I got that one wrong 
AwakenedFilms
Veteran
...the wise sage strikes again...
puredrifting
Major Contributor
Actually, IMHO, the only reason to use DF is if you are shooting for broadcast where absolute time is essential. For most other forms of production, using DF makes TC math a PITA unless you have a TC calculator.
In the digital solid state world, it doesn't matter as much but in the days of all tape production, this was a big deal.
Dan
In the digital solid state world, it doesn't matter as much but in the days of all tape production, this was a big deal.
Dan