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My First Nippon Kogaku

classic refractor
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#1 rolo

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Posted 16 June 2017 - 08:10 PM

The NK65mm got here today, it was very well packed and all arrived safely. Its old and it shows and its missing some parts but most of it is there. The mount is bigger and heavier than I expected and despite its looks, it seems quite solid

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Edited by rolo, 16 June 2017 - 08:11 PM.

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#2 rolo

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Posted 16 June 2017 - 08:15 PM

The objective was filthy so disassembly, cleaning and collimating was a must! It cleaned up well and I didn't have to remove the elements.

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#3 Ken Sturrock

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Posted 16 June 2017 - 08:34 PM

Wow.


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#4 Joe Cepleur

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Posted 16 June 2017 - 08:36 PM

Nice find, Rolo! Please could you post a close-up of the mount? It looks as though it has a ball joint, which seems unlikely. There is not enough resolution to see clearly upon zooming in. 


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#5 terraclarke

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Posted 16 June 2017 - 08:36 PM

NICE!!!


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#6 tim53

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Posted 16 June 2017 - 08:42 PM

Nice find, Rolo! Please could you post a close-up of the mount? It looks as though it has a ball joint, which seems unlikely. There is not enough resolution to see clearly upon zooming in. 

You see right.  Clint has a couple of these.  I was amazed at the stiffness of that mount and the optics.  Even the 50mm is very sharp and seems to defy physics.  I can't wait to see Rolo take some planetary images through this guy.

 

-Tim.


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#7 deSitter

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Posted 16 June 2017 - 09:11 PM

Ermegerd he bought a 60mm scope! I just named my Monnie AO 60/910mm Rolo in your honor. It's out dealing with the sky. Nice find!

 

-drl


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#8 deSitter

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Posted 16 June 2017 - 09:14 PM

The objective was filthy so disassembly, cleaning and collimating was a must! It cleaned up well and I didn't have to remove the elements.

Terrestrial eyepiece (image inverter)? AH Tak collimation tool.

 

-drl


Edited by deSitter, 16 June 2017 - 09:15 PM.


#9 rolo

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Posted 16 June 2017 - 09:16 PM

Ermegerd he bought a 60mm scope! I just named my Monnie AO 60/910mm Rolo in your honor. It's out dealing with the sky. Nice find!

 

-drl

I no real desire in winning this scope so I just placed the opening bid and ended up winning, now I gotta make the best of it. I was going to do first light tonight but a stationary cloud covering Jupiter and half my sky!


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#10 rolo

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Posted 16 June 2017 - 09:16 PM

 

The objective was filthy so disassembly, cleaning and collimating was a must! It cleaned up well and I didn't have to remove the elements.

Terrestrial eyepiece (image inverter)? AH Tak collimation tool.

 

-drl

 

Interesting that after all these years the collimation was barely off.


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#11 rolo

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Posted 16 June 2017 - 09:19 PM

Eyepieces were dirty as well but the cleaned up nicely, even the crud on the barrels. They're easy to clean cause the don't have loose elements.

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#12 starman876

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Posted 16 June 2017 - 09:19 PM

Nice buy Rolo. Tim is right.  These Nippon objectives are fantastic.


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#13 Joe Cepleur

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Posted 16 June 2017 - 09:22 PM

What is the point of a ball-and-socket mount? Does it allow precisely leveling the telescope from the mount, instead of from the legs? 



#14 rolo

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Posted 16 June 2017 - 09:26 PM

The ball is to adjust your latitude. Here's a video from our good friend Dave Trott

 

 

 

https://www.youtube....h?v=y4xsZICqPNY


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#15 starman876

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Posted 16 June 2017 - 09:26 PM

is the little finder pointer tab broken or bent at the lens up front.  did not notice if there was another one at the focuser end.  I see the one at the focuser end.waytogo.gif


Edited by starman876, 16 June 2017 - 09:28 PM.


#16 rolo

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Posted 16 June 2017 - 09:30 PM

Yes they're both there the front has a slight bend.



#17 rolo

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Posted 16 June 2017 - 09:32 PM

One of the coolest things is that the Tak 1.25" eyepiece adapter fits perfecly

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#18 BullTerrier

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Posted 16 June 2017 - 09:38 PM

Gee Rolo, had you purchased a Telementor instead, the mount would have had setting circles and slow motion controls on both axes.  You got taken.  smile.gif  Just kidding, nice find ! 


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#19 rolo

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Posted 16 June 2017 - 10:30 PM

I wish I would have been outbid...


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#20 wfj

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Posted 16 June 2017 - 10:52 PM

You won't have any trouble with that.

(I still get unsolicited offers for mine.)

Really like the contrast on uneven doubles with it.
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#21 Joe Cepleur

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Posted 16 June 2017 - 11:33 PM

Yes, thanks; I see that, on this telescope, the ball adjusts latitude. The oddity is that a ball is not necessary for that. A simple hinge would suffice, and a ball is harder to manufacture, so there must be a reason for it. If it's a ball, it can also tilt, which is why I wondered whether it is intended to allow tweaking declination. 

 

I love that the gods have sent a big-aperture guy only the finest 62mm! Shall look forward to hearing more about your observations with it. 


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#22 deSitter

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Posted 16 June 2017 - 11:59 PM

The ball is to adjust your latitude. Here's a video from our good friend Dave Trott

 

 

 

https://www.youtube....h?v=y4xsZICqPNY

As big as my 76mm scope!

 

-drl



#23 Astrojensen

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Posted 17 June 2017 - 02:38 AM

Eyepieces were dirty as well but the cleaned up nicely, even the crud on the barrels. They're easy to clean cause the don't have loose elements.

The eyepieces are almost carbon copies of pre-WW2 Zeiss eyepieces. Interesting. 

 

 

Clear skies!

Thomas, Denmark


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#24 Fhuyu

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Posted 17 June 2017 - 07:33 AM

Great find!, congratulation my friend bow.gif ,  awesome mount too! waytogo.gif


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#25 terraclarke

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Posted 17 June 2017 - 08:57 AM

I wish I would have been outbid...

You'll double your money easily! Heck, triple it!!


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