strange grid effect

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clarecollins
Posts: 1
Joined: 04.06.2020 07:21

strange grid effect

Post by clarecollins » 04.06.2020 07:35

I am doing a trial of Helicon for focus stacking. This week I did a photo session where I shot some peony flowers using the focus bracketing in my Fuji XT3 camera then stacked the images in Helicon. I took 7 fairly different compositions, all in RAW.

All the results from Helicon look brilliant at first sight but have a strange grid effect when you zoom in which isn't there in the individual images. The appearance is like a canvas texture overlay

Please can you explain this and tell me how to avoid it.

Please find attached example of the problem
Thank you
Clare
Attachments
peony detail-1.jpg
close up of Helicon output showing the problem
peony detail-1.jpg (92.07 KiB) Viewed 257 times
peony image first in stack-1.jpg
first of the input images
(263.14 KiB) Not downloaded yet
peony image focus stacked-1.jpg
Helicon output
(461.37 KiB) Not downloaded yet

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