How can eyepieces offer a telescope's widest true field? - Sky & Telescope - Sky & Telescope

Some eyepieces are being advertised as offering the widest possible true field in any telescope. How is this determined? The amount of sky shown by an eyepiece is governed by […]

Telescope eyepieces, how to choose and best ones to buy - BBC Sky at Night Magazine

Telescope eyepieces, how to choose and best ones to buy - BBC Sky at Night Magazine

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Telescope eyepieces, how to choose and best ones to buy - BBC Sky at Night Magazine