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Thread: 15mm Plossls shootout

  1. #11
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    Default Re: 15mm Plossls shootout



    Quote Originally Posted by Shorty Barlow View Post
    Very interesting shootout. At one time I think I had more 15mm eyepieces than any other focal length.

    Attachment 173917

    I have a pair of 15mm TV's originally for binoviewing, although the 10mm eye relief is a bit tight. I use them for lunar/planetary singly mostly nowadays. I have a relatively new Meade and I always found it very bright and contrasted for medium power lunar viewing. I think they're often underrated as they undoubtedly have JOC glass and even have nicely made chromed brass undercuts. The NPL is as good as the TV 15mm, although there's something I dislike about the ergonomics of the eyeguard. I'd say there was little difference between the Meade and the GSO. I quite like the 15mm Omni and would have gone with a bino pair for using with a Mak if I could have bought them originally with drawtubes with no undercuts. I'm pretty sure the Antares 15mm 'Plossl' isn't, as I'm convinced it has five lenses. I used to use this a fair bit for DSO's on an f/6.9 Newtonian.
    Nice set of 15mm there Shorty! I never tried GSO, but suspected that they would be on pair with Meade. Yes, NPL body design is a bit odd. I was expecting eyeguard to be adjustable. After some pulling and twisting attempts I realized that it is fixed, but the shallow rubber ridge which passes for the eyeguard can be easily removed or attached back. What I like though that the design maximizes effective eye relief and I can press my eye glasses tight against the rubber ridge without danger of scratching glasses or the lens.

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  3. #12
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    Default Re: 15mm Plossls shootout

    Quote Originally Posted by combat48 View Post
    Nicely done, Andrey! I have a soft spot for the Plossl's and use my Unitron branded often for personal observing

    Dave
    Thanks Dave! Those are nice looking Plossls you have. Saw them in your other post.

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    Default Re: 15mm Plossls shootout

    Quote Originally Posted by Don Alvarez View Post
    Thanks for the roundup Andrey. I enjoy reading these these shootouts of yours.

    Now...

    Which of these are you putting up for sale?
    Thanks Don! I will zip you a PM, and we will make a deal, yes?

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    Default Re: 15mm Plossls shootout

    Quote Originally Posted by Bigzmey View Post
    Thanks Don! I will zip you a PM, and we will make a deal, yes?
    LOL NO! Don't do that, I may have to take you up on it! I keep telling myself I'm done, but EP's keep showing up...
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    Default Re: 15mm Plossls shootout

    Quote Originally Posted by not_Fritz_Argelander View Post
    Older TV Plossls coming from Taiwan have different coatings, more throughput, and a more neutral tone than the more recent ones. If you can get your hands on some of the oldies they are great for detecting faint objects. Terrific transmission. Why they changed is a mystery, presumably aiming more at lunar / planetary than DSO viewing.
    Quote Originally Posted by j.gardavsky View Post
    Thanks not_Fritz for the input,



    Yes, there are several kernels of truth in the eyepieces.

    The old Tele Vue Plössls with the green "circle N" and with the Unitron-like fashion towards the observing eye,
    are the best astronomy Plössls ever made, and at that time manufactured in Japan,
    see the first 2 from left in http://www.astronomyforum.net/member...2mm-japan.html

    Best,

    JG
    So very true on the older TeleVue plossl designs. I've always loved the new production of the TV Plossl, until I really got to compare the new vs old side by side, then went out seeking an entire set of the older 'smoothie' Circle N(?), which I recently aquired. The light throughput, clarity and sharpness are much better in the older series coatings.
    In conversations I had with Gabby and JG, we all spoke of seeing a slight color shift in the new design. An ever so slight tint of what I refer to as a tobacco hue, or slightly amber. A coating effect I'm sure. As not_Fritz stated, why the changed is any ones guess.
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    Default Re: 15mm Plossls shootout

    Thanks for the shootout, Bigz! I love reading these things. I know EP usage and perception is very individual, but I always enjoy the side by side comparisons.

    Quote Originally Posted by Bigzmey View Post
    Thanks Don! I will zip you a PM, and we will make a deal, yes?
    Speaking of deals: Since acquiring the full set of smoothies, I now have duplicates in the 7.4, 10.5 & 13 in these. We should talk.
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    Default Re: 15mm Plossls shootout

    AAARRGHH!!!!

    Bigz! I saw what you did!

    NO, I'm not buying those... must... resist.....
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    Default Re: 15mm Plossls shootout

    Quote Originally Posted by Don Alvarez View Post
    AAARRGHH!!!!

    Bigz! I saw what you did!

    NO, I'm not buying those... must... resist.....
    Sooooooo much temptation that fills the air! Trembling fingers....sweaty brow.... Resistance is futile!
    ~Frankie~ My mind: Always on...Slightly off.
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    Default Re: 15mm Plossls shootout

    Quote Originally Posted by SpyderwerX View Post
    Sooooooo much temptation that fills the air! Trembling fingers....sweaty brow.... Resistance is futile!
    No kidding! It’s all I can do to keep from sending PM inquiring.
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    Default Re: 15mm Plossls shootout

    Quote Originally Posted by SpyderwerX View Post
    Sooooooo much temptation that fills the air! Trembling fingers....sweaty brow.... Resistance is futile!
    No kidding! It’s all I can do to keep from sending PM inquiring.
    Bryan

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    Eyepieces: GSO Super Plössl 40mm, 32mm, 15mm, 9mm; ES 82° Series; GSO Superview 30mm; Celestron Plössl 26mm, 20mm; ES 70° 25mm; ES Plössl 25mm; Vite Aspheric 23mm, 10mm, 4mm; Orion Expanse 20mm, 9mm; KK Ortho 18mm, 12.5mm; Bresser 70° 15mm; Coulter Optical 12.5mm; BCO 10mm; ES 62° 9mm; Zhumell Z Series 5mm
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