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Mystery Eyepiece ?

accessories eyepieces
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#1 KeplerKrater

KeplerKrater

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Posted 25 September 2020 - 07:09 AM

Saw this item on 'Shopgoodwill.com'. Does anyone out there in 'Cloudy Nights Land' know what this possible 1.25" eyepiece might be ??

(Please refer to the four (4) attachments)

Attached Thumbnails

  • EP-04.jpg
  • EP-01.jpg
  • EP-05.jpg
  • EP-02.jpg


#2 dcornelis

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    Ranger 4

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Posted 25 September 2020 - 08:39 AM

Looks like something military adapted with a bronze collar. Old military optics can be nice if there is no fungus on them. Coating also may vary in quality having suffered rough cleaning in some cases.


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#3 KeplerKrater

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Posted 25 September 2020 - 01:47 PM

Thanks for the reply. I see the military green/olive, and the brass both seem to agree w/ military. What is your thoughts on the 'turn' knob? Micro-focuser??



#4 ed_turco

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Posted 25 September 2020 - 03:11 PM

I recognize that olive drab piece as a bushing to fit my war-surplus Erfle eyepiece that I still have after fifty years.  Overall, this seems to look like a focusing device of some sort.

 

post-298998-0-52564000-1601035526.jpg




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