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Thread: Threading eyepieces

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    Default Threading eyepieces



    When I try to thread a filter onto one of my eyepieces, I've noticed that the filter will sometimes jump threads and it becomes hard to take off the eyepiece. Is there anyway to rethread the eyepieces? I've throught about taking a dye or tap and screwing it into the eyepiece but then I don't have a dye or tap that big.
    Scott
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    Default Re: Threading eyepieces

    Check to see if the threads inside are showing signs of crossthreading (filter ring also)
    Depending on the make of the eyepiece, some manufacturers have proprietary threads that they use and you need an adapter to fit a standard thread.
    Sometimes if there is a crooked thread you can take the barrel off (carefully) and use a flat jewelry screwdriver to run around the threads and flatten them back out a bit.
    DeanD, Leveye, Lowjiber and 2 others like this.
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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: Threading eyepieces

    They sell just the barrels to eyepieces on Ebay among other places. Try scopestuff as well.

    .965" Black & Chrome plate Telescope Eyepiece Barrels for making eyepieces Set/2 | eBay
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    Default Re: Threading eyepieces

    Over the years I think from the couple of times I've dropped the eyepieces on the cement it has made the first thread rough so maybe just smoothing that thread out a bit might do the trick. It could be the threads on the filters itself to that is causing them to get stuck
    Scott
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    Default Re: Threading eyepieces

    It may be just a hair out of round also if you have dropped it. Hopefully you get it working for you
    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
    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/
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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: Threading eyepieces

    it's my moon filter. I always get it stuck on the eyepiece threads when I use it. I looked at the threads on that filter and they are almost flat
    Scott
    [I]Telescopes: Orion SpaceProbe 130ST, Celestron C6N
    Mount: EQ-2 mount with EQ-2 motor drive, AVX mount
    9mm X-CEL LX, 25mm X-Cel LX, 20mm Explorer Scientific, 16mm Explorer Scientific
    Barlow: Orion Shorty 2x Barlow and a X CEL LX 3x Barlow
    PixInsight
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