Green halos

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turbo2ltr

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Green halos

PostSun Apr 04, 2021 10:04 pm

I'm familiar with chromatic aberrations but in my (very limited) experience, those are usually red and blue and shifted to one side or the other of the contrast. In this case I seem to be getting green halos on both sides of the contrasty bit.

BMPCC 6k. Rokinon Cine DS 24mm. Shot in 2.8k BRAW, 120 FPS.
Was looking right at the setting sun too much for this level of lens?

Any way to get rid of these in Resolve?

Annotation 2021-04-04 144141.jpg
Annotation 2021-04-04 144141.jpg (98.03 KiB) Viewed 747 times


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Mike Warren

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Re: Green halos

PostSun Apr 04, 2021 10:16 pm

That looks like sensor bloom to me.

The way I'd probably tackle this is by using a power window and hue vs saturation.
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Marc Wielage

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Re: Green halos

PostMon Apr 05, 2021 12:54 am

To some degree, some halation happens in the lens, so it's not 100% avoidable. You could embrace it as a look. The image isn't that bad to me, but I'm generally not a fan of overexposure. This looks like more of a yellow thing than green per se, but I bet a precise key could tame it (or the Chromatic Aberration OFX plug-in). A mild black Promist would take the edge off it; OFX plug-ins like Scatter and Dehancer can add that kind of effect and actually give it some style, which is what I do when I'm presented with clipped material.
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Jim Simon

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Re: Green halos

PostMon Apr 05, 2021 3:30 pm

I haven't tried it. Maybe the Chroma plug-in below?

https://filmworkz.com/dvo/
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turbo2ltr

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Re: Green halos

PostThu Apr 08, 2021 3:03 am

Thanks everyone for the input. This is literally a no budget volunteer thing so buying plugins isn't really in the cards. But I was able to tone it down decently using the hue vs saturation suggestion.

Thanks!

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