DVX200 'Ghost' effect in lowlight

B

bumbafilm

New member
Hi Everyone!

I am experiencing an awful 'ghost' effect in lowlight situations - below the image.
My question is that if there is any solution for this problem? Any firmwire update is going to solve this?

Thanks

03770003.MOV.14_40_41_10.Still001.jpg
 
You might want to post up what firmware you are currently running. I think the latest is v1.81. Others may be able to confirm this, but I did note that my camera had that issue on the original firmware but I haven't noticed it since I updated it shortly thereafter. I can't recall if the issue was succinctly "fixed" via firmware or if I just haven't been in a situation yet to re-encounter the phenomenon.
 
bumbafilm said:
Hi Everyone!

I am experiencing an awful 'ghost' effect in lowlight situations - below the image.
My question is that if there is any solution for this problem? Any firmwire update is going to solve this?

Thanks

View attachment 118085
Click to expand...

We need more than just the f/w version....please supply us with pertinent settings (Vlog? Gain? Recording format? Shutter speed? Scene file?).
 
First thing to do if you're using v1.81 - go to the new noise reduction setting and turn it down to something like -3 or wherever your sweet spot is. You should see a marked improvement.
MENU - SCENE FILE - NR CONTROL (last item in that menu).
 
The changing of the noise reduction solved the issue!
Thanks for the hint!

Does the NR Control have a significant effect on the noise? I did not experience such a big difference.
 
As far as I can tell (from the constant research since the camera came out and before this fw update) the camera applies it's own noise reduction at base level. At -3 the noise is acceptable and barely noticeable, but any more than that into plus and the ghosting is present and there will probably be noise if you go to -7, but I haven't checked that yet.
 
Exactly. At -3 the noise is less, but there is a very minimal ghost effect. At -7 the noise is much more noticable - it disturbes - but no ghost effect.
Actually it would be good to see an improvement with the next firmwire.
Would be good to see a good noise reduction without ghosting and smearing motion.
 
NR Control at -7 works well with properly exposed footage at ISO's near base. I have found, to my personal taste, ISO 250-2000 (-6dB through +12dB gain) work best. But poorly exposed footage (read: shooting in dark rooms and pushing the gain all the way to the ceiling) will always yield ugly, noisy footage. It's there because in news you just need to get the shot no matter what. But, the rest of the time, you need to light it.
 
I also use negative gain as much as possible. The noise with NR -7 at low ISO is absolutely fine. When I turn the ISO higher the noise gets stronger and here would play the NR an important role. But the ghosting effect comes with the NR...
 
That's one of the ways this cam pushed me to improve as a cameraman. Because this is a new generation of camera from the old 1/3" sensors, it comes with some compromises. But if you think about it, a good cameraman or cinematographer should be lighting their shots when they can anyway. So this cam got me figuring out ways to bring lights and stands without having too much equipment to carry and now I'm really starting to put out better material. So in a way, the restrictions have improved my methods and output.
 
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