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  1. #1
    RichA's Avatar
    RichA Guest

    Default Cheap wide angle eyepieces



    This has to be the worst concept in eyepieces
    since the 0.96 Huygens. They all have terrible
    off-axis imagery. Not only that, some of them
    suffer from horrible ghosting.
    It's like someone decided to
    "open up" the field on an uncorrected eyepiece
    like a Plossl. Here's hoping Meade's new Plossls
    don't suck too, but I'm beginning to think they
    will.
    -Rich

  2. #2
    Jon Isaacs's Avatar
    Jon Isaacs Guest

    Default Cheap wide angle eyepieces


    all have terrible off-axis imagery.

    I wonder if you have looked through one of the Synta 9mm Widefields. Some
    folks have darkout problems with em but they seem to perform quite nicely,
    being reasonably sharp edge to edge even a fast scope.

    Jon



  3. #3
    RichA's Avatar
    RichA Guest

    Default Cheap wide angle eyepieces

    On 03 Dec 2004 01:56:38 GMT, jonisaacs@aol.com (Jon Isaacs) wrote:


    Maybe I have, but they were under a different brand? Does it actually
    say, Synta on them, or Antares?
    -Rich

  4. #4
    matt's Avatar
    matt Guest

    Default Cheap wide angle eyepieces


    RichA wrote in message ...
    They

    and is any of them ghost free , maybe the new fully multicoated version ?

    best regards,
    matt tudor



  5. #5
    Jon Isaacs's Avatar
    Jon Isaacs Guest

    Default Cheap wide angle eyepieces

    >Maybe I have, but they were under a different brand? Does it actually

    Normally they don't say anything on them. Antares seems to sell a similar
    eyepiece as the W70. The 9 mm is not too bad, at least some knowledgeable
    folks have given it some good reviews.

    There is certainly nothing I have seen in this eyepiece that would rate as
    "terrible off-axis imagery even when used at with an F4.1 scope and a paracorr.
    Certainly sharper to the edge than my 12.5 mm Ultima and theres a lot more
    edge to be sharp too...

    jon

  6. #6
    Izar187's Avatar
    Izar187 Guest

    Default Cheap wide angle eyepieces

    Don't those ep's have a built in smith (aka Barlow) configuiration? If so, then
    this is purhaps why that particular focal length get's better reviews than the
    other's in it's line.

    john

    << The 9 mm is not too bad, at least some knowledgeable
    folks have given it some good reviews.>>


  7. #7
    Stephen Paul's Avatar
    Stephen Paul Guest

    Default Cheap wide angle eyepieces


    "Jon Isaacs" <jonisaacs@aol.com> wrote in message
    news:20041203100459.21648.00001334@mb-m11.aol.com...

    Who has the lowest price on these? Maybe I'll try them in the
    binoviewer......

    -smp



  8. #8
    Jon Isaacs's Avatar
    Jon Isaacs Guest

    Default Cheap wide angle eyepieces

    >Who has the lowest price on these? Maybe I'll try them in the

    Scopestuff has em for $39 shipped. The adorama price seems to wander around,
    I believe I have seen them advertised in S&T for $30 or so but that does not
    include shipping and personally I think the pleasure of dealing with Jim Henson
    at Scopestuff would be worth paying a few bucks extra if that were necessary..

    jon

  9. #9
    Robert Sheaffer's Avatar
    Robert Sheaffer Guest

    Default Cheap wide angle eyepieces


    Here's a way to get surprisingly good, very low-cost wide-angle
    eyepieces:

    Look around in flea markets and resale shops for used binoculars that
    say "extra wide angle" or the like on them. If the eyepieces look like
    they're in good shape, and the cost is not too much, buy them.

    Remove both eyepieces. You can toss away the rest of the binos, or
    perhaps use the objectives to make finder scopes. Use your own ingenuity
    to mount the eyepieces in 1.25" tubing. You can buy 1 1/4" drain pipe
    adapters in hardware stores, which will fit into telescopes. A few
    binocular eyepieces are too large to fit in 1.25" tubes, so you have to
    mount them as 2" eyepieces. This is great - you've found a really good
    one.

    Typically these eyepieces are in the range of 78-84 (!) degree apparent
    fields. The focal lengths seem to range between 18-24 mm. The quality?
    Frankly they're not Naglers, but they are *surprisingly* good. People at
    star parties often comment about the wonderful views, and other amateurs
    will ask enviously "What kind of eyepiece is this?" If used in short
    F.L. scopes around f/5 or less, you won't have a nice, flat field, so I
    wouldn't recommended them. But if your scope is f/8 or longer, you will
    probably be very pleased with the results.



    RichA wrote:


    --
    Robert Sheaffer - User name "Roberto" at debunker-dot-com
    Skeptical to the Max!
    Visit the Debunker's Domain - http://www.debunker.com
    Resources Debunking All Manner of Bogus Claims
    Also: Skepticism / Astronomy / Opera / more


  10. #10
    Michael McCulloch's Avatar
    Michael McCulloch Guest

    Default Cheap wide angle eyepieces

    On 03 Dec 2004 20:57:16 GMT, jonisaacs@aol.com (Jon Isaacs) wrote:


    I have to agree that this is a good bargain in an EP. I also have the
    Scopestuff version. I am never disappointed with the views when I try
    it -- I usually reserve it for star parties but I'm always pleased
    when I break this EP out for my own use.

    Also, I recently tried this EP in my Coronado PST and was amazed. It
    is a very good fit for that little scope.

    ---
    Michael McCulloch

 

 
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