Thanks Bouke!
I can't set the shutter angle on the FS-100 though, so I assume I'm just safe using a 1/50th shutter speed at 24p for 50Hz lighting?
Sent from James iPad
On 17 Aug 2011, at 12:46, "bouke" <bouke@editb.nl> wrote:
> and a good opportunity for math class 101
> (much more appreciated on the FCP-L, but that's another story...)
>
> For 24 with 50 Hz light:
> 24 fps / 50 hz * 360 (degrees) = 172.8
> That makes for 23.976: 172.6272 (no idea if that's an option...)
>
> For shooting 24 in the US:
> 24 fps / 60 hz * 360 (degrees) = 144 degrees
>
> But the bottom line, set your exposure time to a multiple of the light
> frequency and you should be safe...
> (and there is logic in that...)
>
> (disclaimer, i'm not a DOP, but just love to understand the way things
> work...)
>
> Bouke
>
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> ----- Original Message -----
> From: "David Dodson" <davidadodson@sbcglobal.net>
> To: <Avid-L2@yahoogroups.com>
> Sent: Wednesday, August 17, 2011 11:04 AM
> Subject: Re: [Avid-L2] Re: 24p/25p?
>
> >
> >
> > Ahhhhhh... That's hot information! Thanks, Job!
> >
> > David
> >
> >
> > On Aug 17, 2011, at 12:53 PM, Job ter Burg (L2B) wrote:
> >
> >> Just asked a DoP buddy. Cameras have a shutter setting for 172.8 degrees,
> >> which is used on 24fps film shoots, to compensate for practicals and
> >> non-flicker-free lights. Effectively, the shutter speed then becomes
> >> 1/48th rather than 1/24th, he said.
> >>
> >> On 17 aug 2011, at 08:02, David Dodson wrote:
> >>
> >> >
> >> > And if you have practicals on set? For example, we start shooting a
> >> > feature next week here in Moscow. We're shooting RED cameras, probably
> >> > at 24fps, and will have plenty of practical lights on set. So are we
> >> > better off going 24fps, 23.976fps, or 25fps? And this is for theatrical
> >> > distribution, both in 35mm and DCP.
> >> >
> >> > David
> >>
> >>
> >
> > David Dodson
> > davidadodson@sbcglobal.net
> >
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> > ------------------------------------
> >
> > Search the offical complete Avid-L archives at:
> > http://archives.bengrosser.com/avid/
> >
> > If you want to donate to Red Cross quake relief, you can do so through
> > your cell phone. Text redcross to 90999 to make a $10 donation. It will be
> > on your next cell bill.Yahoo! Groups Links
> >
> >
> >
>
>
[Non-text portions of this message have been removed]
If you want to donate to Red Cross quake relief, you can do so through your cell phone. Text redcross to 90999 to make a $10 donation. It will be on your next cell bill.
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