Flatfield eyepiece | Astrobiscuit | Page 1

strange dagger Dec 27, 2025, 4:56 PM

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So I do phone astrophotography and my “flatfield” eyepiece isn’t doing whats supposed to do, the stars on the edge always appear out of shape, and now I want to invest into a good quality flatfield eyepiece, also with a bigger fov, like 25mm or above

frigid cypress Dec 27, 2025, 5:56 PM

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get a UWA or x-cel eyepiece

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XWA if you've good big bucks, I have a 20mm xwa and it's glorious

strange dagger Dec 27, 2025, 6:18 PM

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Does it have good edges?

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The x-cel

strange dagger Dec 27, 2025, 6:23 PM

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frigid cypress get a UWA or x-cel eyepiece

Yea the xwa is a bit over the budget, also my secondary is small and im width limited on fov

strange dagger Dec 27, 2025, 7:12 PM

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@frigid cypress wdy think of this

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frigid cypress Dec 27, 2025, 7:13 PM

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it's fine I think

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it's the european brand for eyepieces like mine iirc

strange dagger Dec 27, 2025, 7:14 PM

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Oh nice

hoary pilot Dec 28, 2025, 9:49 PM

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strange dagger

APM is optically really good

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usually

#Flatfield eyepiece