Alex, I have several 2 inch eyepieces I’ve used with my C8 in the past.
You shouldn’t have any issues with them, besides the long focal length of the scope making the FOV smaller - but you know that already.
The baffle tube of the scope is around 40mm if I recall, so you might notice some light drop off towards the edge if the field stop is much larger than this. I’ve personally not noticed it.
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