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    sopticals's Avatar
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    Question Moonfish Super wide angle?



    Hi ocular experts,

    I have inherited (with a recent scope purchase), a 20mm SWA 70deg 1.25" Moonfish eyepiece.

    Are the Moonfish oculars, budget, medium or higher end price wise?

    Where do they fit into the performance spectrum.(ie some review somewhere I am told rated them equal to naglers)???

    Where are they manufactured?

    Anyone out there using these eyepieces.(What are there strengths/weaknesses)?

    Stephen.(From down under 44deg S).

  2. #2
    OleCuss's Avatar
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    Best guess is that it's a GSO SuperView. You'll find that Moonfish is currently selling a 68 degree Superview in 20mm and that sounds suspiciously like what you have.

    The GSO Superviews are decent eyepieces which are pretty good in longer focal length telescopes but don't do all that well with around f/6 and under.

    Good value for the money but not even in the same league as the Naglers.

    Take a look at the specs on a Nagler? 110 degree FOV? Your Moonfish may be good - but it's radically different from that.

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  4. #3
    dmbryan's Avatar
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    I am pretty sure it is a clone of the ep below. I used to have one and liked it alot in my slower scope. It didn't do as well in my fast f/4.5 scope. There was a lot of distortion in the outer perimeter. On accident I unscrewed the barrell while removing the filter and all the elements fell out. I broke a few on the driveway. Bummer. What type of scope are you using it on?

    Agena Super Wide Angle Eyepiece - 20mm
    name: Derek

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    Using it with a 14"f5.1 dob. Used it for the first time two nights ago. Seems good on axis but considerable coma near field edge. With 2x barlow gives good view which holds up quite well nearer to field edge. I have GSO 20mm Superview as well but I dont think they are the same eyepiece. The GSO has more correction over the field of view except on axis the Moonfish could be a little sharper.

    Stephen.

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    5.1 is probably a little fast for that eyepiece. I'd hold on to it though. It would be great in a SCT or long refractor. Wow a 14 incher. Very nice.
    name: Derek

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