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    Default 13mm Nagler Type 6, as a first eyepiece (not counting the one included)!



    Hello,
    Even though the purchase of my telescope is months away, i am already looking for another eyepiece to buy along. I am buying an Orion SkyQuest XT8 Dob, that comes with a 25mm Sirius Plossl eyepiece, therefore i was thinking of buying something in around 10mm area! I spent quite a lot of time looking at different EPs, and found that Tele Vue 13mm Nagler Type 6 seems like a good choice? Has anyone had any experience with this EP, or maybe Type 6 Naglers?
    Skywatcher Skyliner 200P
    USSR made 10x50 binoculars
    ZRT 460M 20x50 spotting scope
    2 Skywatcher EPs 10 & 25mm, Tele Vue 2x barlow

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    Default Outstanding choice...

    The 13mm Nagler Type 6 is an excellent choice. At 82 degrees it has a terrific field of view and it is sharp from edge to edge...this is one of my most used go to eyepieces. As a bonus it also Barlows well giving you even more flexibility. If has any faults at all, some folks think the eye relief is a bit tight; I am not one of those people. Congratulations on your new scope, I think this would be a great addition to your eyepiece stable.
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  4. #3
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    Default

    Thank-you !
    Skywatcher Skyliner 200P
    USSR made 10x50 binoculars
    ZRT 460M 20x50 spotting scope
    2 Skywatcher EPs 10 & 25mm, Tele Vue 2x barlow

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    Default

    If your scope comes with a 2in focuser , i would look for a good quality 2in wide field low power eyepiece ..And look at a decent 2in Barlow ...Mabey look for a 32mm 2in. EP ..With a Barlow a 32 would give you 16mm and your 25 plossl with the Barlow would give you 12.5mm .....
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    Default

    Hm, well now i am confused, well rather not sure as what to do. I was really looking for a high power eyepiece as a first addition (which is quite funny as the scope is still not in my possession). As the XT8 comes with the 25mm Plossl, i wanted something strong and not Barlowed, and the Nagler looked like a good option, considering all the reviews.

    Maybe i am wrong, perhaps i need to look at an EP with low power.
    I guess i have some food for thought
    Skywatcher Skyliner 200P
    USSR made 10x50 binoculars
    ZRT 460M 20x50 spotting scope
    2 Skywatcher EPs 10 & 25mm, Tele Vue 2x barlow

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    Default

    I have the same scope that you are getting and it seems to me that around 13 mm is usually the sweet spot that gets me the best clarity consistently.

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    Default

    Quote Originally Posted by jbwright84 View Post
    I have the same scope that you are getting and it seems to me that around 13 mm is usually the sweet spot that gets me the best clarity consistently.
    See, this is exactly what i was thinking!
    Skywatcher Skyliner 200P
    USSR made 10x50 binoculars
    ZRT 460M 20x50 spotting scope
    2 Skywatcher EPs 10 & 25mm, Tele Vue 2x barlow

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    Default

    I say go for the 13mm. The 25mm Plossl provided with the scope is decent for wider viewing although I would recommend something a bit bigger for a wider FOV (I bought a 32mm EP for that). The 13mm would be good for higher mag and as others have mentioned, a 2x Barlow would give you about everything you will need to have a good starting experience.

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    Default

    The Nagler T6 (5mm) gets used often in my refractors, some find the eye relief short but it's just fine by my eyes. Naglers are very sharp EP's, well corrected up to the edge, although some note a slightly warmer tone compared to other EPs. Its relatively small and streamlined form is also an advantage and convenient to use when compared to big hefty EP's.

    Many scope owners (some may not even be aware of the reason), usually gravitate toward EP's that when used with the scope, yield around a 2mm exit pupil, because it is at this point that the scope is able to give the viewer the best visual acuity, or the so-called "sweet spot." That's why owners of f/10 scopes usually prefer EP's in 20mm range (20mm focal length divided by the scope f speed of 10 yields a 2mm exit pupil). For your coming XT8 with an f speed of 5.9, an EP in the 11 to 13mm range is indeed a sweet spot that will give the sharpest, clearest views for the scope.

    Best,

    Hernando
    Last edited by ibase; 06-01-2010 at 04:20 AM.

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    Default

    Thank-you all, especially Hernando!
    Nagler it is!
    Skywatcher Skyliner 200P
    USSR made 10x50 binoculars
    ZRT 460M 20x50 spotting scope
    2 Skywatcher EPs 10 & 25mm, Tele Vue 2x barlow

 

 
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