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Forget zooms unless you've tried one and decided you really liked it. Note the FOV decrease with just about all zoom EPs as you zoom out. For a large part what a zoom EP does is just shrink your FOV without showing you more sky. It's not like a camera zoom where you have the same window to look through but the view gets wider or narrower. Typically a 3x magnification zoom (like an 8-24mm) is only 2x TFOV zoom, because you start with 60deg AFOV at 8mm and end with a 40deg AFOV at 24mm. I don't know if those numbers are correct for the Baader but they are fairly typical even for some of the best zoom EPs.
$300 is reasonable for a second hand XW but folks to have those EPs tend to hang onto them.
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