Strange color issues with my HVX

S

SymphonicFilmworks

Member
Hello all,

I've just noticed lately some very odd renderings of color on my HVX. It's not a 'total picture' thing, but just occaisional oddities.

The first thing that tipped me off was when I was trying out the scene file settings that came with Barry's book the other night. I've used them all before with no problem at all! But a few nights ago, I switched to the 'Day for Night' settings in the Extreme looks bank. I saw it gradually turn super blue, then at the apex of the transition to the new scene file, the entire picture had a very lime green color cast on it.

Next thing, I was doing some high-shutter movements on some buildings outside, and I noticed that in the dark shadows in one of the buildings were rendering a slightly glowing purple! Which is quite odd, as I shot nearly 6 hours of footage in almost complete darkness except for an anemic sun-gun a few nights prior with no problems at all! I did have a Tiffen UV on while shooting the buildings, which I forgot to take off to see if that was the problem, but I doubt it. The rest of the picture looks fine!

I'll post some screen grabs later today. Just wondering if anyone might know what's up, and if I should be starting to yell at warranty people yet?

Kevin
 
Well that's certainly not normal. Have you tried executing a Black Balance? Hold the white balance button down until the "ABB" (auto black balance) function begins, and see if that helps any. I don't really expect it to, but hey, it's free and easy to do so you might as well try it before sending it in for service...
 
This all happened right after a black balance. Is there anywhere I should be aiming in particular after doing a black balance? Perhaps I'm not calibrating that portion of it properly. I've been executing it right after I do a white balance on my set of warming cards. Should I be doing it while framing the scene I'm actually capturing?

Kevin
 
Black balance isn't affected by pointing the camera anywhere; the black balance is done while the iris is fully closed so the camera doesn't see anything but pure black.
 
You know occasionally, (like three days ago) i pushed the chromaphase, and the Color temp all the way to one side and was previously White balanced on something else, and the same thing happened, it turned bright lime green. i thought it was awesome and ive been trying to replicate it but with no luck.....
 
That's interesting. When I pulled the color temp back by one in the scene file menu under that same 'Day for Night' that gave me the lime green cast, it disappeared. And it came back when I put the setting back to where it was! hmm....

Kevin
 
I have a similar problem with a DVX100 in 24p mode. Sometimes color's look hue'd towards violet, especially the shadows, which don't appear black at all. When I notice this I switch scene files to 60i and then back to 24p and it seems to fix itself. But it is annoying to get back footage like that.

I have tried to reset the camera and its white/black balances. Could there be something wrong wit the imaging chip?
 
You must log in or register to reply here.
Back
Top