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Dark fringe/halo

Posted: 24.02.2019 02:07
by johndavidson
Just starting out using this software, and I must say I'm quite impressed. However, I'm having a problem which I suspect is me rather than the software.
Took a series using Helicon Remote. Subsequent processing produces images with some dark fringing around the edges. What's going on here?
focus stacking-003.jpg
(979.6 KiB) Not downloaded yet
I used default processing, changing no settings.

Re: Dark fringe/halo

Posted: 25.02.2019 12:21
by Stas Yatsenko
Most likely, something in the way the source images are shot or aligned is triggerring this. We need to see the whole stack of source images to figure out what's going on, can you share them?

Re: Dark fringe/halo

Posted: 25.02.2019 14:48
by johndavidson
Sure. I’ll load them onto OneDrive and post the link if that’s OK.

I’ve also noticed that the effect is reduced if I increase the radius setting.

Re: Dark fringe/halo

Posted: 25.02.2019 21:44
by johndavidson
Link to onedrive folder. There are 12 images.

https://1drv.ms/f/s!Apj2TZRQngcCuTE9_4sWr2-l6A79

Re: Dark fringe/halo

Posted: 26.02.2019 11:23
by Stas Yatsenko
This is optical effect and stacking is not able to change this. We can only suggest to set smaller aperture to minimize this effect.

Re: Dark fringe/halo

Posted: 26.02.2019 11:47
by johndavidson
Ok. I’ll try it out over the next few days. Thanks for looking.