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Old 15-09-2021, 06:51 AM
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OneCosmos (Chris)
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Join Date: Apr 2010
Location: Brisbane
Posts: 559
Eyepiece projection vs prime imaging

I’m certainly enjoying my visual astronomy these days and only very occasionally mourn the move from imaging because I still find looking through the eyepiece a more visceral experience.

The views through really high quality EPs is so astounding and with the 1200mm f/8 APM refractor the planets and moon are a sight to behold and one is always tempted to believe you could capture just that view. Yet, as far as I know, nearly everyone shuns eyepiece projection in favour of prime focal length imaging. Is that because EP projection is doomed to sub-par results perhaps due to the natural aberrations in EPs that the camera is less forgiving of than the eye? Curvature at the edge for example wouldn’t be an issue for planetary imaging would it? You’d end up cropping anyway.

So the question is with a 1200mm slow f/8 refractor I’d either need a 4x or 5x Barlow for prime or use EP projection. Does anyone here have any success with the latter and if so, which camera are you using? I’m not really interested in going mono.

I should add that my garden has simply incredible seeing most nights and Jupiter and Saturn can be sharp as a razor at 350x and more!
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