>> > Further, is it also true that there is no real
>> > disadvantage to always using the strongest filter
>> > -- Scour -- instead of the weakest filter -- Clean?
>>
>> Correct. With an infrared channel, the only
>> difference between the filters is the radius of
>> the largest dust spot that will be removed.
>>
>> Ed Hamrick
>
> Did Ed offer you a cheap bridge over the Grand canyon too? (... just
>kidding ...). Surely, there must be a downside for using a larger
>cleaning radius if you don't need it(?)
Depending on type of detail in image the larger filter might misidentify
a small spot that is a real part of the image/scene and remove it.
Perhaps try the three options on an images with small detail-type spots
and high contrast edges.
--
Bob Shomler
http://www.shomler.com/gallery.htm