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31.4mm barrel, the field of view and focal length you suggest do not equate.
You could for example buy a Vixen SSW 14mm, this is suited to refractors and gives the full field of view available with 82 degree AFoV. A longer focal length means narrower field of view - simple physics. The SSW is also a small eyepiece yet has long eye relief.
Alternatively you could have an LVW 17mm, 65 degree FoV or similar from ES.
Then the Televue stuff but they're oriented towards newtonians,not refractors.
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