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Equipment Discussions >> Eyepieces

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ROBERT FREE
sage
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Reged: 03/20/11

Loc: SARASOTA,FL
DO BAADER HYERIONS COME CLOSE TO PENTAX XW
      #5677203 - 02/13/13 08:30 AM

im hearing there great eyepieces,im mostly into the planets.thx

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dscarpa
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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: ROBERT FREE]
      #5677389 - 02/13/13 10:42 AM

No. David

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ROBERT FREE
sage
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Reged: 03/20/11

Loc: SARASOTA,FL
Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: dscarpa]
      #5677431 - 02/13/13 10:55 AM

really,ok thx much

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csrlice12
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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: ROBERT FREE]
      #5677574 - 02/13/13 12:08 PM

Next time, let's control the urge for lengthy responses...

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sage
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Reged: 03/20/11

Loc: SARASOTA,FL
Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: csrlice12]
      #5677585 - 02/13/13 12:16 PM

i would have like a little more elaboration.but i guess reviews could be somewhat bias.

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coutleef
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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: ROBERT FREE]
      #5677620 - 02/13/13 12:40 PM

it all depends what you call close and in which scope.

but unfortunately they are in a different league in terms of price and performance.


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csrlice12
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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: coutleef]
      #5677629 - 02/13/13 12:48 PM

I do agree with David though.

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Jon Isaacs
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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: ROBERT FREE]
      #5677660 - 02/13/13 01:06 PM

Quote:

i would have like a little more elaboration.but i guess reviews could be somewhat bias.




In general terms, swapping telescopes make the big, hit you in face, can't miss differences, swapping eyepieces make subtle differences.

People argue about whether the Nagler T-6 or Delos is better than the Pentaxes, (depends on your scope) but they Hyerions are not quite at that level.

Jon


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howard929
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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: ROBERT FREE]
      #5677674 - 02/13/13 01:17 PM

To my tiny brain, the ES 82's for $99 make all of those $60-$70 eyepieces into also rans and the Hyperions for $139 seem like ... Well, I can't say it.

Eye relief and the annoying large FOV that some report non withstanding. YMMV.


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tomharri
sage
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Reged: 09/19/08

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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: howard929]
      #5677686 - 02/13/13 01:23 PM

The Hyperions are terrible in short focus scopes. Tried the 13 and 17 in my f/5.6 and the outer third of the field is out of focus. The Pentax XW's work in any scope and are the best planetary lenses just like the Delos and Zeiss.

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Starman81
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Reged: 03/06/08

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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: csrlice12]
      #5677695 - 02/13/13 01:28 PM

In terms of comfortable viewing experience, yes, they come close. Hyperions have the 20mm of eye relief which many of us find very comfy. Also, like the XW's, the exit pupil is not 'fussy', meaning the Hyperions are not prone to blackout or kidney bean if you look around the apparent field of view.

Viewing aesthetics, most of the Hyperions I think do not have a sharp field stop. I have the 17 and 10mm and used to have the 8mm and only the 17mm has a sharp field stop, while the others had blurry ones, which detracts from the view and makes the FOV seem a little smaller to me than the 68* that it really is.

Light-throughput wise, XW's are among the highest rated. The XW's are known for crisp, sharp views and while the Hyperions can deliver decently, some observers with more experience than myself have characterized the views as a little 'soft'. Soft or not, while doing some casual A/B/C testing with three different 10mm eyepieces not long ago (XW/Hyperion/Delos), I could see the same detail in Messier objects in the Hyperion that I saw in the XW and Delos. I was careful to choose faint detail and stars in the objects in order to have a basis for my comparison but perhaps some more thorough testing or critical observers would be able to ferret out the differences.

As far as edge correction is concerned, the Hyperions are not so close to the XW's from what I have read. My primary scopes are not 'slow', so I cannot speak from experience on this.

In terms of size and weight, they are close as well. Price-wise, big difference, of course.


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stellar62
newbie


Reged: 12/22/12

Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: tomharri]
      #5677703 - 02/13/13 01:33 PM

I do agree with coutleef though.
Plus, the ES 82 degree is better than Hyperions.


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BillP
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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: ROBERT FREE]
      #5677719 - 02/13/13 01:41 PM

Quote:

im hearing there great eyepieces,im mostly into the planets.thx




IMO they are not close. Hyperions are good eyepieces and I had most of them for quite a long time in the stall and enjoyed them very much. Very comfortable to use and nice sized eye lens and wide AFOV, plus the fine tuning rings were a blast to use. But the XWs have a much better off-axis in faster scopes, on-axis they are crisper with a higher apparent contrast to the image, they are also very neutral toned so colors are more vibrant. Overall a much more refined view than the Hyperion...and of course you pay for it. And in the 10mm and shorter focal lengths the XWs are essentially as good as it gets over their entire FOV. FWIW, the XWs are the only wide fields I have used that I find much more than simply acceptable for planetary observing (I'm very picky about planetary)...they are really quite capable in that specialized observing role!


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Eigen
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Reged: 07/26/12

Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: BillP]
      #5677730 - 02/13/13 01:48 PM

In my opinion, with the prices of the ES82 line, the Hyperion is basically redundant. The Hyperion is a very decent eyepiece but the XW is a different league.

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csrlice12
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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: Eigen]
      #5677738 - 02/13/13 01:56 PM

Compared to cameras, Hyperions are Kodak, Pentax are, well, Pentax.......

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astro_baby
scholastic sledgehammer


Reged: 06/17/08

Loc: United Kingdom
Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: csrlice12]
      #5677750 - 02/13/13 02:02 PM

I have owned the 5mm Hyperion and a 5mm Pentax XW. The difference is NOT subtle its HUGE.

The Pentax is more comfortable to use, doesnt incline to bean or blackout, is sharp to the edge, has fantastic contrast.

In fairness the XW is three times the price so you'd expect it to be a lot better and it is.


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howard929
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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: astro_baby]
      #5677757 - 02/13/13 02:08 PM

I'm asking cause I don't know. Is the Pentax that much better then a ES 82?

Edited by howard929 (02/13/13 02:09 PM)


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Astrojensen
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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: Eigen]
      #5677770 - 02/13/13 02:18 PM

Quote:

In my opinion, with the prices of the ES82 line, the Hyperion is basically redundant.




I agree. The ES82s are amazingly good, unbelievably so for the price. They have made a LOT of eyepiece lines redundant, IMO.


Clear skies!
Thomas, Denmark


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sage
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Reged: 03/20/11

Loc: SARASOTA,FL
Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: Astrojensen]
      #5677790 - 02/13/13 02:33 PM

thank you very much,its been years an im back into astronomy.ive been using old celestron ultimas for my work in daylite with mercury and venus.i will get a few of those pentax.one at at time an thanks to you all.my scope is a c-8.

Edited by ROBERT FREE (02/13/13 02:34 PM)


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Astrojensen
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Re: DO BAADER HYERIONS COME CLOSE TO PENTAX XW new [Re: ROBERT FREE]
      #5677794 - 02/13/13 02:36 PM

The Celestron Ultimas is nothing to sneeze at. Very fine eyepieces. Originally a Baader design, made by Masuyama. Better than the Hyperions, if you ask me...


Clear skies!
Thomas, Denmark


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