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trevscope

32mm or 24mm eyepiece Celestron C8 SCT

3 posts in this topic

Hello all,

I am looking for a low magnification, widefield eyepiece for use on a Celestron C8 SCT f/10, using the 1.25" diagonal - I don't want to get into the realms of 2" eyepieces. I was looking at the Celestron 32mm Plossl, but with its 52 degree AFOV, it would give a true field of view of 0.82 degrees; bearing this in mind, a 24mm Baader Hyperion with its 68 AFOV gives a true field of view of 0.8 degrees. So to me, they would both show the same 'patch of sky' but the Hyperion would do it with a greater magnification, and so would be preferable - or am I missing something?

Thanks,

Trev

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You've got it Trev. 24mm wide field eyepieces do show as much sky as 32mm "standard field" eyepieces like plossls.

The extra magnification helps darken the background sky a little which can help pick out fainter deep sky objects.

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