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Thread: Celestron X-Cel EP for Orion XT8i?

  1. #1
    Axl Myk's Avatar
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    Default Celestron X-Cel EP for Orion XT8i?



    I'm looking to get near the max effective power of this 1200 FL scope @ 300x.

    Am looking at the
    Celestron X-Cel LX Series Eyepiece - 1.25-Inch 5mm*60degree. That will get me to 240x so as not to get out of the ballpark. Will I be able to effectively use this EP for planetary views?

    Sent from my SM-G930V using Tapatalk

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    Default Re: Celestron X-Cel EP for Orion XT8i?

    Slightly less than a 1mm exit pupil but a good place to start.
    I would start at a 6mm for the 1mm ExP and 200x mag.
    The viewing conditions are going to dictate how well that works.
    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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    The weakest link in the optical chain is the large nut located directly behind the eyepiece/ camera. - Gabrielle
    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)

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    Default Re: Celestron X-Cel EP for Orion XT8i?

    On my 1200mm focal length scopes I use 6-5-4mm eyepieces the most for planets.
    The x-cell 5 is better than most $100 lenses like the EdgeOn and similar ones.
    Brodavid1953 likes this.
    Newtman but some refractors allowed.

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    Default

    Would a similar ep of another brand/type be preferable? Tele Vue or?
    Doing this on a retiree budget, (with typical gettin on in years eyesight) but prefer to do it once.

    I appreciate the info. Word is the 2 of you are well respected around here.

    Sent from my SM-G930V using Tapatalk

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    Default Re: Celestron X-Cel EP for Orion XT8i?

    I have had excellent results from the TMB Planetary II eyepieces (readily available directly from China on eBay for $30 to $60). The price variance is due to some focal lengths being pricier then others. I have bought several with no performance problems, but be sure that the vendor allows exchanges because many on this forum and other astro sites have reported wide variances in quality control. They are available in a huge range of focal lengths so you could chose from 7, 6, 5, 4.5 or 4mm models.
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    Default Re: Celestron X-Cel EP for Orion XT8i?

    These are basically the same as the X-Cel LXs and perform very well.

    1.25" Telescope Eyepieces | AgenaAstro.com - Agena Dual ED
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    Default Re: Celestron X-Cel EP for Orion XT8i?

    Morning Axl, I am not sure of your skill level so a bit hard to recommend high end eyepieces that only give slightly more performance for considerably more money.
    The ES eyepieces are exceptional value for comparative cost vs premium eyepieces.
    The Celestron line you originally asked about have a very good following also.
    Ozman13 and Brodavid1953 like this.
    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
    Diagonals: 2" Astro-Physics MaxBright, 2" Zeiss/ Baader prism, 2" Baader Herschel Wedge (Photo Version), 2"
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    Amici prism, 2" Stellarvue Dielectric, 2" TeleVue Everbrite
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    The weakest link in the optical chain is the large nut located directly behind the eyepiece/ camera. - Gabrielle
    Ya gotta keep this Apo/
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    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: Celestron X-Cel EP for Orion XT8i?

    I went with used TV Radians in 3-4-5-6mm's for about $150 each. They used to be the best for planets until the Delos came around.
    Brodavid1953 likes this.
    Newtman but some refractors allowed.

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    Default Re: Celestron X-Cel EP for Orion XT8i?

    Radians are nice, pretty much a direct swap with Vixen LVW though the Vixen has a wider AFOV.
    Delos, nice eyepiece (but) I find the Pentax XW a touch better.
    j.gardavsky and Brodavid1953 like this.
    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
    Diagonals: 2" Astro-Physics MaxBright, 2" Zeiss/ Baader prism, 2" Baader Herschel Wedge (Photo Version), 2"
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    Amici prism, 2" Stellarvue Dielectric, 2" TeleVue Everbrite
    Eyepieces: A-Z

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.

    The weakest link in the optical chain is the large nut located directly behind the eyepiece/ camera. - Gabrielle
    Ya gotta keep this Apo/
    To view links or images in signatures your post count must be 5 or greater. You currently have 0 signatures.
    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

    Quote Originally Posted by Gabby76 View Post
    Delos, nice eyepiece (but) I find the Pentax XW a touch better.
    Now we're getting out of the financial ballpark.




    Sent from my SM-G930V using Tapatalk
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