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Thread: How'd I do on these choices for my ETX-80?

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    Default How'd I do on these choices for my ETX-80?



    While I was trying to access the forum for some advice and older threads, it was down.
    So, I did my best choosing some eyepieces.] to supplement the super Plossi 26 and 9.7
    I'd like to know what y'all think.
    Celestron X-cel LX 2x Barlow
    Celestron Luminos 15mm
    Meade XWA 5.5
    Ice variable polarizing filter

    Did I overdo it on the 5.5?
    Cheers,
    Ray
    Ray
    Meade ETX-80
    Celestron Oceana 7x50
    Zeiss Marine 7x50 B/GA

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    Default Re: How'd I do on these choices for my ETX-80?

    The 5.5mm will work with your scope giving you an exit pupil of 1.1mm, That is as high as you want to go though unless the skies are exceptional.
    Refractors: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNG 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen SD115s f/7.7
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    Amici prism, 2" Stellarvue Dielectric, 2" TeleVue Everbrite
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    Default Re: How'd I do on these choices for my ETX-80?

    All I had to go on were Amazon reviews. Are these pretty good bang for the buck?
    Ray
    Meade ETX-80
    Celestron Oceana 7x50
    Zeiss Marine 7x50 B/GA

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    Default Re: How'd I do on these choices for my ETX-80?

    The 5.5mm will be a wonderful high power EP for the scope. It will not be useful with the Barlow (too much power) but it is a focal length I would choose as a high power EP. Your list looks pretty good to me, it has a few small gaps and a little close overlap, but overall has good coverage. There is some room for a wider field at low power and a gap between the 26mm and 15mm. You could eliminate that gap and get a little more versatility by changing Barlows, and save a little.

    GSO 1.25" 2x "Shorty" Achromatic Barlow Lens # GS2BL

    This Barlow gives good performance and has a removable bottom element that attaches to any EP for 1.5x which would give you 19.5mm with the 26mm EP and could possibly be useful with the 5.5mm under excellent seeing conditions (the full 2x is too much) and would be nice with the 15mm for 11.25mm.

    At some point I would replace the 26mm with an ES 24mm 68 which will give you the widest possible view and superior performance.
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    Default Re: How'd I do on these choices for my ETX-80?

    I have not used the Meade eyepiece or the Celestron Luminos but the X-Cel LX is good.
    Do your self a future favor though, take any reviews on Amazon not with a grain of salt but with a large bag.
    I have noticed many times when you read the review for one product then look at another the same review is there...
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    Refractors: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNG 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen SD115s f/7.7
    Mounts: Celestron SLT w/ pier mod & EQ-3 tripod, Celestron hypertuned CG-5 w/ tracking motor & Argo Navis, Manfrotto 028B w/ Stellarvue M2C, Manfrotto 055PRO w/ 128RC, TAL-1 HD EQ, Vixen SXP w/ HAL-130 SXG & half pier
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    Ya gotta keep this Apo/
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    thing in some balance of perspective. Apos are awesome, but long focus Achros aren't that far behind them - Siriusandthepup (CN)

    Refractors kick arse precisely because they don't hide behind excuses. That is, they have no obstructions to hide behind. - Jon Isaacs (CN)

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    Default Re: How'd I do on these choices for my ETX-80?

    Quote Originally Posted by xraygun View Post
    All I had to go on were Amazon reviews. Are these pretty good bang for the buck?
    These are good performers, but you didn't have anything to go on. These reviews are mostly done by inexperienced users and are really just a sales ploy. The Luminos performs best on slower scopes and you are likely to see some field curvature at the edges in your fast scope, but it will not be bad in the refractor. You would get better performance from one of the ES lines. At a better cost, you will get good performance from the Celestron X-Cel LXs or the Agena Dual EDs but have a little smaller field than the ESs.
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    Default Re: How'd I do on these choices for my ETX-80?

    Well it's amazon, I could return the Luminos and order an ES!
    Ray
    Meade ETX-80
    Celestron Oceana 7x50
    Zeiss Marine 7x50 B/GA

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    Default Re: How'd I do on these choices for my ETX-80?

    I didn't really know the zoom eyepieces existed. Would one in particular be a good choice for lunar viewing? I plan to do a bit of that, as it's pretty much all I can see from my house.
    Ray
    Meade ETX-80
    Celestron Oceana 7x50
    Zeiss Marine 7x50 B/GA

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    Default Re: How'd I do on these choices for my ETX-80?

    on the 15mm Luminos vs. The ES 14mm, the field of view is narrower. Is it just better suited to the scope I have?
    Ray
    Meade ETX-80
    Celestron Oceana 7x50
    Zeiss Marine 7x50 B/GA

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    Default Re: How'd I do on these choices for my ETX-80?

    If I were looking for superior performance with a very wide field at that focal length I would get this.

    Explore Scientific 1.25" 82° Series Argon-Purged Waterproof Eyepiece - 14mm

    If I were looking for good performance at a very affordable price I would get this.

    Agena 1.25" Starguider Dual ED Eyepiece - 15mm

    I have not tried this one yet but would expect it to perform very well.

    Explore Scientific 1.25" 62° Series Argon-Purged Waterproof Eyepiece - 14mm
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