Search found 3 matches

by James Cooke
21.06.2020 18:13
Forum: Helicon Focus: Support
Topic: Artefacts in output file
Replies: 3
Views: 15762

Re: Artefacts in output file

Hi.

I've done a detailed check for hot pixels and found they correspond with the pixel streaks on the image stack. Thanks for confirming.

I have done a pixel remapping procedure on my camera and the hot pixels no longer appear.

I will use the dust map feature in future to deal with any dust spots ...
by James Cooke
19.06.2020 17:50
Forum: Helicon Focus: Support
Topic: Artefacts in output file
Replies: 3
Views: 15762

Artefacts in output file

I am seeing lines of bright dots on some output images after stacking. This example is from 120 RAW files stacked using Method C in Helicon Focus 7.6.3. Images were shot using Helicon Remote with a Canon 5D4 and Sigma 105mm f2.8 macro lens.

2020-06-15 16-15-42 (C,Smoothing4).jpg

A close up of ...
by James Cooke
19.06.2020 17:20
Forum: Helicon Focus: Support
Topic: Stack info written into EXIF data on TIFF output but not DNG
Replies: 0
Views: 4823

Stack info written into EXIF data on TIFF output but not DNG

I have noticed that Helicon Focus writes useful info (e.g. "Stacked from 120 images. Method=A (R=1,S=4)") into the UserComment field of the EXIF data when the output file type is TIFF, but not when it is DNG. This is really useful. Is this a bug, a limitation, or is there a setting which I need to ...