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Thread: New Vixen 100mm finder eyepiece

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    Default New Vixen 100mm finder eyepiece



    Use with a flip mirror and turn your telescope into a finder.
    A rather unique approach.
    https://www.vixen.co.jp/product/35203_6/
    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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    The weakest link in the optical chain is the large nut located directly behind the eyepiece/ camera. - Gabrielle
    Ya gotta keep this Apo/Achro 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: New Vixen 100mm finder eyepiece

    I kinda want one. I don't need it, but it looks fun.
    Leveye, 10538, SpyderwerX and 1 others like this.
    Bryan

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    Default Re: New Vixen 100mm finder eyepiece

    Whoaa!! That thing looks like a microphone!
    Leveye, 10538, bladekeeper and 2 others like this.
    ~Frankie~ My mind: Always on...Slightly off.
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    Default Re: New Vixen 100mm finder eyepiece

    Quote Originally Posted by SpyderwerX View Post
    Whoaa!! That thing looks like a microphone!
    Karaoke for the stars!
    My eyes
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    Default Re: New Vixen 100mm finder eyepiece

    At almost 186mm (7.5") long, you would need to be careful you did not poke an eye out in the dark!
    Leveye, 10538, bladekeeper and 3 others 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" Orion Amici prism, 2" Stellarvue Dielectric, 2" TeleVue Everbrite
    Eyepieces: A-Z

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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/Achro 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: New Vixen 100mm finder eyepiece

    Wait... An EP at 100mm on your typical f/6 frac or Newt this makes the exit pupil 16.67mm. So you would need nearly 3 eyes to see all the image this EP will give. Additionally, you will probably see EVERYBODY'S secondary mirror shadow.

    How do they get around this?

    Cheers,
    JT
    Last edited by jaetea; 04-04-2018 at 01:21 AM.
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    Default Re: New Vixen 100mm finder eyepiece

    I am not sure how they are doing it as the numbers do not add up.
    I am trying to find some more information on it as they have been out in Japan for awhile so there should be a review somewhere.
    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" Orion Amici prism, 2" Stellarvue Dielectric, 2" TeleVue Everbrite
    Eyepieces: A-Z

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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/Achro 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: New Vixen 100mm finder eyepiece

    I'm already using the flip mirror finder trick with my VMC110L.

    As to the secondary shadow.... If the whole fov is secondary shadow where's the secondary shadow?

    I hope that in shipping that either they completely disguise its appearance or like Baader totally tell the world what it is and how to use it on the package.
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    Default Re: New Vixen 100mm finder eyepiece

    Quote Originally Posted by Gabby76 View Post
    I am not sure how they are doing it as the numbers do not add up.
    I am trying to find some more information on it as they have been out in Japan for awhile so there should be a review somewhere.
    Quote Originally Posted by not_Fritz_Argelander View Post
    As to the secondary shadow.... If the whole fov is secondary shadow where's the secondary shadow?
    Seriously, that's the only way around it. Live so far inside the secondary shadow that one doesn't see its edge. So there's essentially an aperture stop.
    10538 and Gabby76 like this.

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    Default Re: New Vixen 100mm finder eyepiece

    I am thinking they probably intended it for their refractors.
    I have used a standard crosshair in the flip mirror, I wonder what they thought the advantage to this style would be though?
    In size it would be similar to my Speers-Waler 5-8mm variable eyepiece.
    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" Orion Amici prism, 2" Stellarvue Dielectric, 2" TeleVue Everbrite
    Eyepieces: A-Z

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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/Achro 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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