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Nikon EDG 65 Meets The Pentax XW14 And XW20 Eyepieces

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Old Thursday 16th January 2020, 22:11   #1
gcole
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Nikon EDG 65 Meets The Pentax XW14 And XW20 Eyepieces

I thought this would be something of interest to those who own the Nikon EDG Spotting Scope. Due to a completely unexpected offer for me to purchase another Nikon EDG 65 Spotting Scope in new condition, at a price that I could not refuse I am at it again. .... finishing a project I had actually started before I sold my original EDG spotting scope to Jerry. An adapter to see if it was possible for other 1.25” eyepieces to focus on the EDG 65 spotting scope. The Nikon EDG eyepieces are unique due to the eyepiece design and also because of the large/deep ocular port on the scope body. It’s because of this unique ocular port opening which is a few millimeters larger in diameter than the diameter of the 1.25” barrel of Pentax that allows the eyepiece to be inserted/tested. I chose these two eyepieces to test because of their high quality and their proven outstanding optical view. I wanted to see if the Pentax eyepieces could equal the EDG eyepiece view or even possibly improve the view of the EDG scope optically if that was possible ? The XW eyepieces did not disappoint. Not only did they both focus correctly, they proved to be optically equal in view to their corresponding EDG eyepieces with the XW14 I thought possibly improving the EDG optical view over the FEP-30 and FEP-38W eyepieces.
The pictures below show the on hand stuff I used, with the finished adapter with the XW14 mounted on the EDG spotter.
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Last edited by gcole : Thursday 16th January 2020 at 22:16.
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Old Saturday 18th January 2020, 08:47   #2
Boogieshrew
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Another one! You’re unstoppable!

Very intriguing to see Astro eps on the EDG. There’s a great choice of eps from Nikon but Astros open up a huge range of possibilities.

And the EDGs are such great scopes.
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Old Wednesday 22nd January 2020, 20:39   #3
gcole
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Quote:
Originally Posted by Boogieshrew View Post
Very intriguing to see Astro eps on the EDG. There’s a great choice of eps from Nikon but Astros open up a huge range of possibilities. And the EDGs are such great scopes.
I totally agree, the Pentax XW 1.25” eyepieces are indeed some of the best you can own. Below are the pictures of the now finished modified adapter permanently attached to the Pentax XW14 eyepiece. I have not found any info on the Nikon EDG’s focal length, I estimate this eyepiece to be 27.4 x power when used on the Nikon EDG 65 based on the FEP-16/20W being a 24mm eyepiece = a 384 Fl scope body dived by 24mm. If I am wrong with the EDG 65 focal length, maybe someone here can correct me having the correct FL number. I am now done with this EDG compatible modified eyepiece, I will be moving this eyepiece to the For Sale Section if anyone is interested. PM me if you have any questions .
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Last edited by gcole : Wednesday 22nd January 2020 at 20:50.
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