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Poor results with nikon lens and SBIG8300
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07-09-2014, 04:29 PM
RickS
(Rick)
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Join Date: Apr 2010
Location: Brisbane
Posts: 10,584
Brett,
You can make a circular aperture mask and attach it to the front of the lens. This will also get rid of the diffraction patterns around bright stars caused by the shape of the internal aperture stop.
Cheers,
Rick.
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