jimhare
Second Officer
Flight distance : 239035 ft
Australia
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Hey Sky High,
The frame rate should really come from their editor, especially if they are adding your shots other material they are shooting. You'll want to use the same frame rate they are using.
Yes, the 180 degree rule is double the frame rate. Physical shutters are typically measured in degrees of a circle rather than time and described as an ANGLE rather than time. So 360 degrees is equal to the frame rate, 180 degrees is double, 90 is quadrouple and so on.
180 is the shutter angle typically used in feature films so has a familiar look that our eye has been trained to see that represents quality and depth of story telling. By tapping into this, as well as shooting in LOG for control during vision grading, our videos go to a whole new level.
And yes, I think the 0, -2, -2 are the right settings for almost any situation.
I suggest you have a direct conversation with their editor. This will head off any problems later. In addition to talking about the frame rate bring up the ND filters. Let them know that the heavier the ND you use, the more it will alter the color balance, and by the time you get to the ND16 and 32 there will be a significant amount of grading required to make the image really pop. Maybe even shoot a few quick tests of the same setting with the various NDs and send them over so they can see what you mean.
If they aren't up for the challenge then I suggest maxing out at the ND8 and raising the shutter speed (yes breaking the 180 rule) to compensate. There is a very real trade-off between shutter and IR pollution introduced by heavy ND filters so you need to strike a balance when making these decisions.
Sorry if this creates more questions than it answers!
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