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#31 | |
Trustee
Join Date: Nov 2005
Location: Sydney Australia
Posts: 1,570
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Quote:
Still I have to agree (again) with Federico, 2500K is very low, well into candelight. Unless the lamps are on dimmers or the building has a wiring fault something is wrong here. |
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#32 | |
Major Player
Join Date: Apr 2010
Location: London
Posts: 410
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Quote:
that's precisely the point I am making: they values might be wrong, but should be consistently wrong the value I get from auto (around 3400) seems much more correct to my eyes (at least) my EX1r is still under warranty so I am not worried, but just trying to understand if there's a fault or not |
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#33 |
Inner Circle
Join Date: Dec 2005
Location: Bracknell, Berkshire, UK
Posts: 4,957
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The best thing you can do to establish whether the camera is faulty or not is to do a proper manual white balance and then look at the output on a waveform monitor and look at the RGB parade or vectorscope. On a vectorscope the white should just be a spot right in the center of the scope or on RGB parade the white R, G and B levels should be equal.
This eliminates the monitor or other variables and is more accurate than judging by eye You could record a clips and look at it in your edit software.
__________________
Alister Chapman, Film-Maker/Stormchaser http://www.xdcam-user.com/alisters-blog/ My XDCAM site and blog. http://www.hurricane-rig.com |
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#34 | |
Trustee
Join Date: Nov 2005
Location: Sydney Australia
Posts: 1,570
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Quote:
Maybe as others have speculated you're doing it wrong, hopefully someone in the shop will set your right. Maybe your camera does have some strange fault, again a trip to the shop would resolve that. Short of one of us having your camera in our hands all we can do is speculate. |
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#35 |
Trustee
Join Date: Dec 2008
Location: Kennewick, WA
Posts: 1,124
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I didn't read through this whole thread, but I thought I'd add this:
1) Don't forget to set the camera to Auto Iris before you hit the white balance button. This has tripped me up a few times. 2) Make sure that the light falling on your subject is the same EXACT light that's on your white card. Sometimes you have tungsten lights coming from fixtures in the ceiling, while you have daylight pouring in through windows - all happening in the same scene. This can make white balancing very tricky. (In this situation I've learned to either close the blinds to eliminate the daylight or set up some portable tungsten lights to over power the daylight coming in the windows) Just my $0.02. Sorry if this has already been covered....
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Sony EX3, Canon 5D MkII, Chrosziel Matte Box, Sachtler tripod, Steadicam Flyer, Mac Pro, Apple/Adobe software - 20 years as a local videographer/editor |
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#36 | |
Major Player
Join Date: Apr 2010
Location: London
Posts: 410
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Quote:
mine, I had to go well out of town to buy it and I already contacted the shop, who very unhelpfully responded they weren't sure, and want to charge me £125+VAT just to have it checked!! any fellow DVInfo member in Central London can be around for a quick test? |
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