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hpx2000

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Jim Wilcox
hpx2000
on Mar 4, 2010 at 3:52:56 am

Strange issue out of the blue with our 2000. We're shooting in white cyc studio and went to white balance to our talent lighting (all cyc lights off) which are a 4 banker and 2 banker kino flo diva lights with 5500K lamps and white card. We're getting 7400K on the camera. WE brought in our Sony Betacam to check and its spot on at 5500K. Switch out lamps to 3200K and both cameras read 3200K. Matters not which filter we're in on the 2000, same reading with daylight lamps...7400K. Never had this happen before so we're at a bit of a loss. We can just go preset on the cyc and be fine, but would love to figure out why we're not getting accurate WB on Daylight only...


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Jeremy Garchow
Re: hpx2000
on Mar 4, 2010 at 5:53:57 pm

I assume that you have switched the filter wheel to 56k?

Does this happen at both A&B white balance points?

Check your RB Gain control in the Paint menu.

Make sure ATW tracking is off (white balance mode, which is in the Cam Operation menu).

You can also set color temp in that menu as well.

Jeremy


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Jim Wilcox
Re: hpx2000
on Mar 4, 2010 at 6:57:35 pm

We're in Filter 3, happens with both A&B ATW is off. No changes to paint control. Anything else to check?


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Jeremy Garchow
Re: hpx2000
on Mar 4, 2010 at 6:58:46 pm

[Jim Wilcox] "Anything else to check?"

The world's sanity? :-D

Did you set the color temp in the White Balance controls?


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Jim Wilcox
Re: hpx2000
on Mar 4, 2010 at 9:10:27 pm

We are just shooting preset, but we can dial it in anyway we want with c.temp. Its just that it seems like the camera is not accurately judging color temp about 3200K.

just bizarre...


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Jeremy Garchow
Re: hpx2000
on Mar 6, 2010 at 5:31:02 pm

Use a different white?

The camera has been out so I haven't been able to turn it on and see what you're seeing.


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Jim Wilcox
Re: hpx2000
on Mar 8, 2010 at 9:32:45 pm


Hey Jeremy,

We have tried several whites with similar result. We also took out betacam and the 2000 outside on a sunny day with a white card and got different results with both cameras with the 2000 still reading about 1600K higher. Its quite strange to get something this out of whack with known sources (the kino flos with 5500K lamps for example).

Any other thoughts/suggestions would be much appreciated.






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