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Old 13-08-2006, 08:22 PM
UniPol
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UniPol is offline
 
Join Date: Jul 2006
Location: Lithgow, NSW
Posts: 1,687
Quote:
Originally Posted by Dennis
Hi Steve

When I am way outside or inside focus, I obtain images very similar to the 2 you have posted. To limit the diffraction rings to just a few around the central maximum, I need to use relatively high magnification and then turn the focuser slightly, by small amounts, inside and outside of focus.

Cheers

Dennis
Hi Dennis,

Next time I have my 10" LX200 out (puff/pant) I'll try and do the same thing.

Cheers, Steve
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