Comments on: Baader Fringe Killer Filter https://modernastronomy.com/shop/filters-wheels/baader-filters/achromat-minus-violet-baader/baader-fringe-killer-filter/ Visual and Electronic Astronomy... Mon, 21 Aug 2023 21:48:28 +0000 hourly 1 By: Mike hawtin https://modernastronomy.com/shop/filters-wheels/baader-filters/achromat-minus-violet-baader/baader-fringe-killer-filter/#comment-1755 Tue, 17 Nov 2015 14:44:03 +0000 http://modernastronomy.com/shop/fringe-killer-filter/#comment-1755 This filter does an excellent job of cleaning up the blue halos on images shot using a semi-apo scope. If exposures are not increased to compensate for the rejected part of the spectrum then a simple blue channel noise reduction action is all that is necessary prior to RGB combination to allow the Blue to be stretched along with the Red and Green without breaking down. Use the link to access further info and example images.
[URL=http://astrob.in/227118/C/]Baader Fringe Killer filter trial[/URL]

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