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  1. #1
    Richard Darn's Avatar
    Richard Darn Guest

    Default eyepiece suggestions



    Soon visiting the US on vacation and plan to expand my eyepiece collection
    for my new C14, which works at F11 (3910mm fl).

    I'm looking for suggestions around the following focal lengths - 40mm, 30mm
    and 17mm. I have the stock Celestron 2" diagonal.

    My only "widefield" eyepiece, used on a C8, is a Lanth 22mm superwide -
    which I think is wonderful. It's obviously medium power with the C14.

    My question is this - is it worth investing in expensive Naglers/Pans and
    Pentaxes given the very forgiving focal length of the new C14? University
    Optics is a cheaper possibility if not. Experiences gratefully received.

    Rich



  2. #2
    Bill Becker's Avatar
    Bill Becker Guest

    Default eyepiece suggestions


    "Richard Darn" <mail@richarddarn.demon.co.uk> wrote in message
    news:bo8v3r$sqj$1$830fa17d@news.demon.co.uk...
    30mm
    Hi Rich,

    In the ~17mm range, might I suggest the 16mm UO Koenig(II)? Very nice
    65*afov and, in fairly long focal length scopes, is sharp
    to almost the edge..it *is* a bit short on eye relief, though.

    Best regards,
    Bill



  3. #3
    Al's Avatar
    Al Guest

    Default eyepiece suggestions

    Rich,

    I also own a C-14 and have some favorite eyepieces. Here are the eyepieces
    I like...

    35mm Panoptic. This one is my favorite. Producing about 110x with the
    C-14, it's perfect for viewing most DSO's.

    22mm Panoptic. This is the goto eyepiece for planets and smaller DSO's.

    12mm Nagler. This eyepiece is super on planets, producing about 325x. Even
    on a less than perfect night, it's amazing how this telescope holds up to
    the power. I remember turning my scope on the moon with this
    eyepiece...what an experience! It was very much like flying over at 40,000
    feet.

    While I use other eyepieces with this scope, these are the most rewarding to
    use.

    Al


    "Richard Darn" <mail@richarddarn.demon.co.uk> wrote in message
    news:bo8v3r$sqj$1$830fa17d@news.demon.co.uk...
    30mm



  4. #4
    Michael A. Covington's Avatar
    Michael A. Covington Guest

    Default eyepiece suggestions

    Plossl and Orthoscopic eyepieces will work fine with an f/11 telescope, but
    the fancier ones will give a wider field.

    My own preferred lineup (with an 8-inch f/10) is: 32mm Tele Vue Plossl, 18mm
    Radian, 10 mm Radian, possibly 5 mm Radian.

    All four of these are parfocal and very sharp. All are in 1.25" mounts.




  5. #5
    Frank Bov's Avatar
    Frank Bov Guest

    Default eyepiece suggestions

    Rich,
    If you already have a Vixen Superwide, consider getting more of them! The
    42mm is one of a growing handful of maximum field eyepieces. My own choice
    in this category was a 40mm UO MK-70, and the new 41mm Panoptic is a
    high-end contender. Reading up on cloudynights.com, you may also consider
    the 40mm Rodenstock. even if it's a European eyepiece, and the new Pentax
    XL40 XW is likely both available in Europe and of excellent quality.

    At 30mm with very wide field, there's the budget-priced ST80 and BWOptic
    30mm, the original 30mm Widescan series, and, of course the 31mm Nagler T5.
    I have a Widescan in that niche, and it is a niche for me since the 40mm is
    my finder eyepiece and few objects are optimized at that magnification.

    At 17mm, I'll suggest the 16mm Nagler or, for the budget conscious, the UO
    16mm Konig. While I have both, I've yet to do the A-B comparison. To close
    in a recurring theme, consider the 17mm Vixen Superwide.

    HAve fun,
    Frank

    "Richard Darn" <mail@richarddarn.demon.co.uk> wrote in message
    news:bo8v3r$sqj$1$830fa17d@news.demon.co.uk...
    30mm



  6. #6
    Michael A. Covington's Avatar
    Michael A. Covington Guest

    Default eyepiece suggestions


    "Frank Bov" <frankbov@rochester.rr.comic> wrote in message
    news:duZpb.48495$ZC4.18217@twister.nyroc.rr.com...

    How do Vixen Superwides compare to Radians?

    I'm frustrated that there is no 24mm Radian... the 24 Panoptic doesn't have
    *quite* enough eye relief to use with my glasses.



  7. #7
    Richard Darn's Avatar
    Richard Darn Guest

    Default eyepiece suggestions

    Michael

    I really love my 22mm superwide. Nice field of view, really excellent
    contrast, really comfortable to use. I could get the 18mm radian to
    supplement my eyepiece collection, but I think I'd opt for the 17mm
    superwide first.
    I do also have radians at 10mm and 14mm.

    Rich


    "Michael A. Covington" <look@www.covingtoninnovations.com.for.address> wrote
    in message news:MJycnfAmq4KL8TWiU-KYiA@speedfactory.net...
    have



  8. #8
    Michael A. Covington's Avatar
    Michael A. Covington Guest

    Default eyepiece suggestions


    "Richard Darn" <mail@richarddarn.demon.co.uk> wrote in message
    news:boaipd$jng$1$8300dec7@news.demon.co.uk...

    OK, you're in a position to answer a question for me!

    How does the 22mm Superwide compare to the 14mm Radian in focus? Is it
    close to parfocal or do you have to refocus substantially?

    Also, how does the weight compare?

    Many thanks!



  9. #9
    Richard Darn's Avatar
    Richard Darn Guest

    Default eyepiece suggestions

    The Vixen/Orion is heavier - 14 oz compared with 9 oz for the radian. It
    feels really solid. Can't answer the question about focus - I'll check the
    next clear night (I've just packed the C14 away :0) ). I've answered one
    of my earlier questions by just buying a 40mm Pentax XL from Astronomics.
    Now I'm just need one between 26mm - 31mm.

    Rich

    "Michael A. Covington" <look@www.covingtoninnovations.com.for.address> wrote
    in message news:Ud-dncFBxqTV4jSiU-KYlg@speedfactory.net...



  10. #10
    Rod Mollise's Avatar
    Rod Mollise Guest

    Default eyepiece suggestions

    >

    Hi:

    That depends. Some rather inexpensive eyepieces can work pretty well in an SCT.
    Especially if you throw on an r/c to flatten the SCT's naturally curved field.
    That said, I still prefer the TeleVues. They are more comfortable and do
    deliver better images than the bargain spread, even in an SCT. I will say that
    while I like the Naglers, and use the 12 Type 2 a lot, my recent acquisitions
    have all been Panoptics. I like the eyepieces, like the focal lengths, and in a
    driven scope really don't miss that Nagler field. I've thought about selling my
    35 Pan a time or two and replacing it with the 31 Nagler...but just _can't_! I
    love that eyepiece! :-)

    Peace,
    Rod Mollise
    Author of _Choosing and Using a Schmidt Cassegrain Telescope_
    Like SCTs and MCTs?
    Check-out sct-user, the mailing list for CAT fanciers!
    Goto <http://members.aol.com/RMOLLISE/index.html>

 

 
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