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Agena 1.25" Starguider Dual ED Eyepiece - 12mm

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#1 Orion68

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Posted 19 July 2019 - 09:13 PM

I'm in the market for a decent 11mm or12mm eyepiece to fill a hole in my eyepiece case. Does anyone have experience with this one?


Edited by Orion68, 19 July 2019 - 09:14 PM.

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#2 havasman

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Posted 19 July 2019 - 10:04 PM

I'm in the market for a decent 11mm or12mm eyepiece to fill a hole in my eyepiece case. Does anyone have experience with this one?

I used it with an XT6i and was surprised at how well it performed. If you're at f7 and above I think it well worth a try.


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#3 Orion68

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Posted 19 July 2019 - 10:35 PM

I used it with an XT6i and was surprised at how well it performed. If you're at f7 and above I think it well worth a try.

Good to hear. I would use it primarily at F10, and infrequently at F7.



#4 Peter Besenbruch

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Posted 19 July 2019 - 10:42 PM

The 12mm is a solid eyepiece.


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#5 mistateo

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Posted 19 July 2019 - 11:42 PM

I had the full set.  I would say that they were among the best in their price range, some focal lengths being a little sharper than others.  I used my 12mm and 8mm the most out of the set.  I sold them because I almost exclusively image, and for visual I get by now with a TV zoom and a couple 2 inch eyepieces.


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#6 Venator

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Posted 20 July 2019 - 12:11 AM

I have the 18, 12, and 8mm Agena Starguider’s. The 12 sees the most use for me, and many people say it’s the best of the lineup. I have recently switched the 12 out for an Explore Scientific 11mm, but since I liked the 12 so much, I use it now in my stellarvue 50mm finder scope 99% of the time.


Edited by Venator, 20 July 2019 - 12:12 AM.

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#7 Conaxian

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Posted 20 July 2019 - 02:43 AM

I have four of them, the 25, 18, 12 and 8mm. Of them all the 25 is my least favorite, the 12 is tied for best with the 8.  That said, if it weren't for its shorter eye relief my older University Optics 12mm Konig would just edge it out for contrast.  I still use the more comfortable Starguider more often. Old eyes and all that.

They are really good at their price level.


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#8 Javier1978

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Posted 20 July 2019 - 09:51 AM

Superb eyepiece at f6!


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#9 John Gauvreau

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Posted 20 July 2019 - 10:18 AM

Comfortable and clear.  I like mine a lot.  And in the worst case, if you don’t like it at all, you have made only a minimal investment.  But yes, mine’s a winner.


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#10 Orion68

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Posted 20 July 2019 - 12:52 PM

Sincere thanks to everyone for their feedback. Sounds like a great eyepiece and well worth the money. If I can pick up a used one even better.

 

Clear skies, Tim


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#11 sg6

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Posted 20 July 2019 - 02:29 PM

Nice eyepiece, cannot complain.

Oddly I found 4 or 5 nights back that the 25 and 12 are close to parfocal, the 8mm is somewhat different. shrug.gif

Was only using those 3 so didn't compare any others.


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#12 nicoledoula

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Posted 20 July 2019 - 02:44 PM

I have the 18, 12, and 8mm Agena Starguider’s. The 12 sees the most use for me, and many people say it’s the best of the lineup. I have recently switched the 12 out for an Explore Scientific 11mm, but since I liked the 12 so much, I use it now in my stellarvue 50mm finder scope 99% of the time.

12mm ED is a fine EP. How do you like the ES 11mm?



#13 Oscar56

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Posted 31 August 2019 - 08:44 PM

How is this lineup with a f4.7 scope?

#14 MartinPond

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Posted 01 September 2019 - 12:10 AM

The 15mm is clean at F5...

  so I would predict the 12 and 8 would make 4.7

   (negative section up front)..

Hard to say how the  25 or 18 do with 4.7.. 



#15 Sully606

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Posted 01 September 2019 - 12:16 PM

The 15mm is clean at F5...

  so I would predict the 12 and 8 would make 4.7

   (negative section up front)..

Hard to say how the  25 or 18 do with 4.7.. 

I have a 12mm and an 8mm that I use in a 4.7 Dob. I’m very pleased with both of them. One caveat is that I’m pretty new at this hobby. 




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