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    2 inch barrel dia. eyepiece for Pentax scopes - Caution, long post

    Frank, Two of the 26 mm FL SWA 2" barrel eyepieces I use are from Garrett Optical and are $70 new (plus shipping). My third Pentax spotter uses the Agena version of the same eyepiece ($75 new with free shipping and plastic bolt case). Optically, they seem identical. I believe the Orion Q70 at...
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    2 inch barrel dia. eyepiece for Pentax scopes - Caution, long post

    Photo of PF-65EDa with 2" 26 mm eyepiece The limit of photos per post is 5, so the last photo for the above post is here. This is the Pentax PF-65EDa spotting scope with 26 mm FL 2" barrel diameter Garrett SWA eyepiece held in place with a turned adapter.
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    2 inch barrel dia. eyepiece for Pentax scopes - Caution, long post

    Obtaining the widest true field with Pentax spotting scopes I originally posted about this in the “Cloudy Days & Microscopes” forum of the “Cloudy Nights” astronomy site. When David Rodriguez posted on the Birdforum site about using 100˚ eyepieces in Pentax and other spotting scopes, I posted a...
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