Page 1 of 15 12311 ... LastLast
Results 1 to 10 of 144
  1. #1
    Leonard's Avatar
    Leonard Guest

    Default Review of TMB optical Monocentric eyepieces



    Hello Group ,

    In the August issue of Sky and Telescope Mr Gary Seronik
    does a review of the TMB Optical monocentric eyepiece and in my
    reading of it comes to the conclusion that there is very little
    difference (or none)in contrast and light scatter between the mono.
    and two well known Plossls and a symmetrical . Three high quality
    eyepieces to be sure but I would have thought more of a difference
    would be seen between them and the mono. Mr Seronik did what appears
    to be a very complete review . It comes as no surprise that in an F4.5
    newtonian off-axis performance was less than excellent with the mono.
    What do you all think about this review after such glowing
    reviews from other people over the last few months ?
    Leonard

  2. #2
    WayneH's Avatar
    WayneH Guest

    Default Review of TMB optical Monocentric eyepieces

    On 24 Jun 2004 16:15:28 -0700, ngc7789@citynet.net (Leonard) wrote:

    <mention of GS review of TMB SuperMono EPs snipped>


    I hope this isn't just a troll, but here goes - From my personal
    experience, the review contains nore than a bit of hogwash. I've
    compared SuperMonos to Pentax SMC orthos, Tak orthos, and Televue
    Plössls of similar focal lengths, in my 10" SCT, a 90mm F11 refractor,
    and a 12½" F8 Newt (of exceptional quality), and the Monos won in
    every category except FOV.

    Note that I have not tried the Monos in short FL instruments, so I've
    no opinion in this area.

    Wayne Hoffman
    33° 49" 17' N 117° 56" 41' W
    "Don't Look Down"

    http://users.adelphia.net/~w6wlr/

  3. #3
    Bill Becker's Avatar
    Bill Becker Guest

    Default Review of TMB optical Monocentric eyepieces


    "Leonard" <ngc7789@citynet.net> wrote in message
    news:58ee67ec.0406241515.2016e73@posting.google.co m...

    Personally, I think the phrase "your mileage may vary" was erroneously left
    out of the review. I guess that's why there are so many different ocular
    designs out there and each has their loyal following. <g>

    Best regards,
    Bill




  4. #4
    Phil Wheeler's Avatar
    Phil Wheeler Guest

    Default Review of TMB optical Monocentric eyepieces



    Leonard wrote:


    What is a "moncentric" EP?

    Phil


  5. #5
    Brian Tung's Avatar
    Brian Tung Guest

    Default Review of TMB optical Monocentric eyepieces

    Phil Wheeler wrote:

    As I recall, a monocentric eyepiece is a three-element, one-group
    eyepiece in which every surface has the same center of curvature--hence
    the name. If anyone knows differently, please speak up.

    Brian Tung <brian@isi.edu>
    The Astronomy Corner at http://astro.isi.edu/
    Unofficial C5+ Home Page at http://astro.isi.edu/c5plus/
    The PleiadAtlas Home Page at http://astro.isi.edu/pleiadatlas/
    My Own Personal FAQ (SAA) at http://astro.isi.edu/reference/faq.txt

  6. #6
    Ratboy99's Avatar
    Ratboy99 Guest

    Default Review of TMB optical Monocentric eyepieces

    I have four of the TMB Super Monos (2-16's and 2-14's) and I haven't been able
    to detect any
    astigmatism in them at all. That's using my F8 Tak FS-152 and a Binovuew w/ 2x
    barlow. Nice eyepieces actually...
    rat
    ~( );>

    email: remove 'et' from .com(et) in above email address

  7. #7
    Bill Becker's Avatar
    Bill Becker Guest

    Default Review of TMB optical Monocentric eyepieces


    "Ratboy99" <ratboy99@aol.comet> wrote in message
    news:20040624220937.23811.00000638@mb-m28.aol.com...
    able
    w/ 2x

    Binoviewing. That's something I've done only twice in my lifetime.(viewed
    through a friends "home made" pair. the views were most encouraging)

    Maybe when my financial situation improves, I can seriously look at the
    Denkmeiers(sp)?

    Best regards,
    Bill




  8. #8
    Phil Wheeler's Avatar
    Phil Wheeler Guest

    Default Review of TMB optical Monocentric eyepieces

    Thanks, Brian. I've not seen the review yet.

    Phil

    Brian Tung wrote:



  9. #9
    Stephen Pitt's Avatar
    Stephen Pitt Guest

    Default Review of TMB optical Monocentric eyepieces

    Gary was wrong. It happens when using the wrong tools and asking-or
    not asking-the appropriate questions.

    May all the pocket protectors...eject!

    Stephen


    "Leonard" <ngc7789@citynet.net> wrote in message
    news:58ee67ec.0406241515.2016e73@posting.google.co m





    --
    Posted via Mailgate.ORG Server - http://www.Mailgate.ORG

  10. #10
    Bettrel's Avatar
    Bettrel Guest

    Default Review of TMB optical Monocentric eyepieces

    >From my personal

    Now, understand, I don't have any stake one way or the other and don't really
    have an opinion on whether the Mono's are good, bad or indifferent... but isn't
    it just a bit funny that S&T, which routinely gets panned by many on here for
    their glowing reviews of products is now going to get panned for a negative (to
    a degree, of course) review?

 

 
Page 1 of 15 12311 ... LastLast

Similar Threads

  1. GSO SUPERVIEW 68° Telescope Eyepieces Review
    By admin in forum Telescope Eyepieces Forum
    Replies: 9
    Last Post: 03-12-2009, 10:16 PM
  2. REVIEW: Garrett Optical 30mm 82-o UWA eyepiece
    By Margo Schulter in forum Amateur Astronomy Forum
    Replies: 4
    Last Post: 10-14-2007, 01:42 PM
  3. Review of TMB optical Monocentric eyepieces
    By Jon Isaacs in forum Amateur Astronomy Forum
    Replies: 0
    Last Post: 07-08-2004, 01:17 PM
  4. 5mm TMB Monocentric check
    By Leonard in forum Amateur Astronomy Forum
    Replies: 7
    Last Post: 07-01-2004, 10:36 PM
  5. TMB 10mm Super Monocentric...
    By Bill Becker in forum Amateur Astronomy Forum
    Replies: 3
    Last Post: 08-21-2003, 09:34 PM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Powered by vBulletin® Version 4.2.0
Powered by vBulletin®
All times are GMT. The time now is 01:46 PM.