Quote:
Originally Posted by astro_nutt
Hi Sam.
If you are worried about colour correction, (chromatic aberration, i.e., seeing a blue-yellow halo around a bright object), when using a achromatic, (doublet lens), refractor. You can purchase a "minus violet" which will help correct this to some degree.
Cheers!
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I think looking through a window will give Narky more to worry about than just colour correction, (unless it's optical grade glass that also corrects for off axis aberrations).
