Quote:
Originally Posted by Somnium
Really ?? i would love to see that thread
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I cant find this discussion any more, it took place some time ago.
However, have a look here:
http://www.cloudynights.com/topic/47...ntial-banding/
The effect is called "banding", and it becomes visible after applying excessive stretching.
Nothing to do with optics.
Dirty mirror will only (somewhat) reduce the contrast, and add some haze (your stars would look bigger.. )
EDIT:
For some reason, searching is working now :-) (I swear it did nor work yesterday)
So, have a look here:
http://www.iceinspace.com.au/forum/s...hlight=banding