[Avid-L2] Re: Best Fix for Fluorescent Flicker / Color Change?

Jimmy, I would definitely be interested--when you have the time to dig and post. Or did you post something and I missed it? The Z7U doesn't have the kind of setting you describe, but I would like to learn more about what to look for on location. - Joyce

--- In Avid-L2@yahoogroups.com, Jimmy Dutt <bytemonkey@...> wrote:
>
>
> On 2010 May 19, at 15:38 EDT, Terence Curren wrote:
>
> > Is that how CMOS handles flicker?
>
> Best I can remember (until I dig up my notes from ~ 18 months ago) is
> that it's some kind of "auto scan" setting(s) buried in the EX3 menu
> and apparently defaulted to "ON." It's a wide-ish horizontal band of
> subtle discoloration that (always?) moves slowly in an upward
> direction but can vary in speed. I first saw it on footage which was
> shot outdoors on a dreary snow-covered Ohio day - very grey overcast
> with no "lighting" save for possibly some utility pole MV street
> lights. I next saw it under some mixed indoor lighting, but again -
> it's a moving band and not the constant "warm to cool and back" full-
> frame shifts I used to see on occasion (and more associated with
> fluorescent mixes).
>
> I thought it might be a weird interaction with the Letus adapter or
> some other anomaly having to do with 1080p/30, but nothing turned up
> on the Googles (and obviously the keywords "Rolling" and "Shutter"
> turn up hits that are popular but unrelated).
>
> I did, however, finally find a thread that described exactly what I
> was seeing (and that's what I need to dig up again). Once I showed it
> to the DP he was like "O'Rly?", then dug into the menus and disabled
> whatever this setting is (and it immediately solved the problem).
>
> Again, it can be very subtle and not readily apparent in the camera's
> EVF (or maybe not even seen). But it's baked in and would be beyond
> tedious to fix.
>
> I can post examples later today if anyone's interested - and once I
> find that doggone thread I'll post that as well.
>
> -jimmy
>
> --
>
> BYTEmonkeys
> Creativity for your Creative
> http://bytemonkeys.tv
> 692 N. High St., Suite 304
> Columbus, OH 43215
> 614.824.1685
>

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