Quote:
Originally Posted by Forgey
I covered the chips in the secondary mirror with black texta.
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Hi,
That's the best thing to do. It's likely, as others have mentioned, the scratch will be in the secondary shadow path and have no effect. However, it can't hurt to paint out the scratch with black texta. This is the best way to treat a scratch that is in the light path. The scratch will generally only cause problems because of the additional light scatter it will cause. If you "black out" the scratch it can't scatter much light at all.
Cheers,
John B