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Thread: 32mm for Skywatcher 10" Dob (250px)

  1. #1
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    Default 32mm for Skywatcher 10" Dob (250px)



    Hello,

    I am currently looking for a decent 32mm eyepiece for my 250px. When starting out in January earlier this year I bought the following:

    Celestron X-Cel 7mm
    Celestron X-Cel 12mm
    Skywatcher SP Plossl 32mm

    As I wanted a better 32mm eyepiece with better eye relief/optical quality I recently bought the following:

    Sky-Watcher SWA 70° Eyepiece 32mm (https://www.firstlightoptics.com/sky...eyepieces.html)

    The eyepiece had mixed reviews after reading around but I took a gamble as it was relatively cheap. Unfortunately it isn't a great eyepiece for my scope (my own experience with it) with some saying its not the best for faster scopes like mines (250px). In fact the viewing quality is not as good as the much cheaper Skywatcher SP Plossl I have in terms of optical clarity and colours of stars/planets, as well as signification astigmatism that to me looks like only a third of the viewing radius is usable. The X-Cel eyepieces I have are just great.

    Looking for 32mm eyepiece recommendations that would be suited to my scope, up to £80.

    Thanks!

  2. #2
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    Default Re: 32mm for Skywatcher 10" Dob (250px)

    Someone did a comparison a few months back with different 32mm eyepieces, I believe the Baader Classic Ortho was the best of the bunch.
    Deeko and Brodavid1953 like this.
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    Default Re: 32mm for Skywatcher 10" Dob (250px)

    I believe optical aberrations are more pronounced with longer focal lengths in fast reflectors. However the SW70 range certainly is not suited to fast scopes. I still have mine but only to 22mm which is a really nice eyepiece but useless in the dob.

    Not quite 32mm but he ES Maxvision 28mm is a superb eyepiece for the price and comes in your budget. You can order an ex demo one directly from Bresser.de for 75€ I believe. You will still have coma especially at this focal length but that's to be expected!

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    Default Re: 32mm for Skywatcher 10" Dob (250px)

    After losing an eyepiece to nasty-junk-intrusion ("N.J.I."?) I will only buy Explore Scientific waterproof eyepieces.

    I like that they have a wide range of FOV models to choose from. They can be a little more expensive (or a lot more) - but I think they will last longer and be worth it in the long run.
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    Looking up! ~Jeff // Currently using: Explore Scientific 12" truss Dob // ES 16mm 68-deg // ES 28mm 68-deg // 9mm Kellner // 2.5x
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    Default Re: 32mm for Skywatcher 10" Dob (250px)

    Quote Originally Posted by Davesellars View Post
    I believe optical aberrations are more pronounced with longer focal lengths in fast reflectors. However the SW70 range certainly is not suited to fast scopes. I still have mine but only to 22mm which is a really nice eyepiece but useless in the dob.

    Not quite 32mm but he ES Maxvision 28mm is a superb eyepiece for the price and comes in your budget. You can order an ex demo one directly from Bresser.de for 75€ I believe. You will still have coma especially at this focal length but that's to be expected!
    Thanks for the tip, will have a look for the ES!
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    Default Re: 32mm for Skywatcher 10" Dob (250px)

    For a bit more money you could get a 31mm Baader Hyperion Aspheric.

    http://www.baader-planetarium.com/en...-eyepiece.html

    https://www.firstlightoptics.com/baa...-aspheric.html
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    Default Re: 32mm for Skywatcher 10" Dob (250px)

    Don't know about the 31mm Baader Aspheric but the 36mm really sucked at f6.3 nevermind faster.
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    Default Re: 32mm for Skywatcher 10" Dob (250px)

    Oh no, don't tell me that Dave lol. My 36mm seems OK on my ST80 although I haven't had much opportunity to really test it.
    TS Optics: 150mm, f/6 Newtonian (GSO SVD series). Altair: Starwave 102ED-R. Sky-Watcher: SkyMax 102mm, SkyMax 127mm, Evostar 72ED DS Pro, Evostar 80ED DS Pro, ST80 (TS Focuser), ST102 (TS Focuser), EQ5 Deluxe, AZ5 Deluxe. Vixen: Porta II, SXG Hal-130. Orion: 90mm StarMax , ST80 (TS Focuser). Celestron: NexStar Evolution 9.25". William Optics: E-BINO-P Binoviewer. A shed load of eyepieces including: Antares, Astro Hutech, Baader, Bresser, BST, Bushnell, Celestron, Explore Scientific, GSO, Kokusai, Meade, Orion, Sky-Watcher, Solomark, SvBony, TeleVue, Vixen & one or two I'm not sure of.

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    Default Re: 32mm for Skywatcher 10" Dob (250px)

    It's possible the field curvature is not quite so bad with the 80mm model. Certainly it was horrible with the 120ST and I sold it although it did OK with my f7.5 refractors. It was really bad with the SCT at f6.3 though and so with a reflector that's much faster i really would not risk the purchase of this eyepiece.

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    Default Re: 32mm for Skywatcher 10" Dob (250px)

    I don't think many wide angle eyepieces do well used with a reducer. It gives me 11.1x on my ST80 (which has been equipped with a 2" focuser). Its huge field stop was the main reason I got it. Well, that and it was a lot cheaper than a TeleVue Panoptic lol.
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