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  1. #1
    sstandif's Avatar
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    Default Pentax or Hyperion Zoom, minimal price difference



    This is my first post in this forum. I've done so elsewhere but I've picked up some great pointers following this forum recently. I am excited to post here for the first time.

    I'm looking for feedback concern a good grab and go zoom option. I just ordered a Stellarvue SVR 80mm APO triplet (f/6). I have a nice set of fixed focal length eyepieces but want something more convenient for on the go. I wear glasses when I observe so eye relief is a concern. I've narrowed my choice down to the Pentac SMC 8-24 and the Baader Hyperion 8-24.

    I was all ready to pull the trigger on the Hyperion. Then I found an option where I can get the Pentax for only $100 more than the Hyperion. Cost seems to be one of the main complaints against the Pentax so I'm now wondering if the Pentax might be worth the extra investment, given that the extra investment is fairly small. I'm most interested in getting the most out of my new scope so optical quality is key to me. Any thoughts on how the optical quality of these two eyepiece compare in an 80 f/6 scope assuming price is close to equivalent? Any feedback would be appreciated.

    Thanks! Steve S.

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  3. #2
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    Default

    hi steve and welcome to the forums.
    i'm not aware of anyone who has the pentax zoom here,
    but i know there are plenty who own the baader.
    they seem to be the zoom of choice with most people,and
    at some point soon,i will also be pulling the trigger on one.
    peole who own it,rate it.
    is the pentax worth the extra money?i can't really say,buy
    there should be someone here who can tell you for sure.
    clear skies,

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  5. #3
    JuanM's Avatar
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    Default

    That may be a difficult choice...

    I own the Baader, so my opinion would be biased. Unfortunately, I never saw comments about the Pentax here.

    Hopefully, some members will provide good advice on the Pentax.


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  7. #4
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    Default

    I think it depends on what you want the zoom for.

    From what little I've seen and heard, the Pentax is optically superior.

    But the Hyperion has the click-stop feature which is superb for binoviewers.

    The Pentax is also heavier and for some scopes/mounts that can cause problems.

    But for my particular purposes if I were given the choice of the Pentax or the Hyperion with a price differential I could easily afford - I'd get the Pentax. But I don't do binos and my preferred scopes aren't that sensitive to weight.

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  9. #5
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    Default

    Hello Steve,

    I have had the Hyperion 8-24mm Zoom, and sold it again. The reason has been the tunnel view at low magnifications, and some lost of contrast and sharpness at the high magnifications. There is nothing like fix focus EPs.

    However, should a zoom EP be the must, then I'd consider the Pentax

    Pentax 8-24mm SMC 1.25” long eye relief astronomical zoom; 21-63x or 26-78x spotting scope zoom 70509

    as Pentax spotting scope EPs are expected to play in the same league as those of Leica and Swarovski.

    Best

    JG
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  11. #6
    Phil Leigh's Avatar
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    Default

    Quote Originally Posted by j.gardavsky View Post
    Hello Steve,

    I have had the Hyperion 8-24mm Zoom, and sold it again. The reason has been the tunnel view at low magnifications, and some lost of contrast and sharpness at the high magnifications. There is nothing like fix focus EPs.

    However, should a zoom EP be the must, then I'd consider the Pentax

    Pentax 8-24mm SMC 1.25” long eye relief astronomical zoom; 21-63x or 26-78x spotting scope zoom 70509

    as Pentax spotting scope EPs are expected to play in the same league as those of Leica and Swarovski.

    Best

    JG
    This "tunnel view" - was that the latest Mk3 8-24? (or an earlier model?)

    I don't see that with my Mk3.

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  12. #7
    j.gardavsky's Avatar
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    Default

    Hello Phil,

    the tunnel view has been the issue with my Hyperion Zoom, I have purchased about 6 years ago.

    Best

    JG
    Binoculars: Leica Ultravid 7x42, 8x42HD; Swarovski EL 8.5x42 Swarovision; Nikon 10x70 Astroluxe; Docter Nobilem 7x50 Porro; Jenoptem 7x50W, 10x50W; BA8: 10.5x70, 15x85; 25x100FB, AsahiPentax 8x40, Refractors: Sky-Watcher 150mm/750mm; Leica APO Televid 82mm (25x-50x WW ASPH); EPs:Baader Classic Orthos; Fujiyama ortho, Leica B WW, ultrawide zoom ASPH, Periplan GF, HC Plan S, L; DOCTER UWA; Wild UW mil; Tele Vue Delos, Nagler Zoom, Plössls; Swarovski SW; Pentax XW; ZEISS diascope B WW T*, Carl Zeiss E-Pl; Hensoldt mil; Filters: Astrodon, Astronomik, Baader (CCD), TS;
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  13. #8
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    Default

    The Mk111 Hyperion zoom is 68 degrees at the 8mm end, but reduces to 50 degrees at 24mm.
    Standard Plossls are 52 degrees as I understand it, so even when I'm using my zoom at 20 or 24mm I don't particularly sense the "tunnel effect".

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  14. #9
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    I am a huge fan of Pentax eyepieces and own and use several XW's as well as one XF.. Personally I generally find them better then any other brand of eyepieces including the eyepieces uncle Al makes and sells...

    I do NOT own a Pentax Zoom..and to be honest most likely never will..

    Yes Optically they are almost assured to be better then the Baader Hyerions ..No question in my mind at all ...the question is how much better !... And if your eyes are good enough to actually see any difference !

    I've only looked thru one Pentax Zoom and it was 4-5 years ago and while it was good it honesty did not impress me enough to force me to spend over $400 for one..but then again I would not spend over $200 for the Hyperion either..

    I just have very little use for a zoom...

    BUT admit that I use one with my little Orion f'6 refractor when I do outreach events at schools and similar places...and i use a CHEAP 60 dollar Celestron zoom on those nights and it does all I need

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  16. #10
    sstandif's Avatar
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    Default

    These replies are all super helpful. Thank you! Sounds like I might see a slight difference between the two but not hearing anything to suggest the difference will be huge. At $100, neither is the price difference.

    One piece I'm still debating is the size difference (13oz for the Hyperion vs 19oz for the Pentax). If I could only find 1) a relatively small zoom with 2) great optics and 3) good eye relief. Looks like I can get two out of three. I just have to choose which two.

    Thanks for all the input. Much appreciated.

    Steve S.

 

 
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