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Want to try Tele Vue .. help me decide which one

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#1 bthrel

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Posted 04 December 2020 - 07:13 AM

Good morning everyone,

 

As the topic title implies I want to dip my toes into the Tele Vue world, given my current lineup of ES eyepieces

(ES 82° 4.7, ES 82° 8.8, ES 82° 11, ES 68° 20mm, ES 62° 26mm, ES 62° 40mm, Televue Paracorr Type 2) and using them with a 12" DOB and soon a 4" refractor, what do you think the sweet spot would be to get the best impression.

Im leaning towards either a 14 or 17.3 Delos  as a gap filler, or a Delos 10 or 12 to compare with the ES 11...

Been watching the classifieds but these things move quickly so have not caught one in time yet.

 

Thoughts?

 

Clear Skies

 

Brian



#2 Tank

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Posted 04 December 2020 - 08:09 AM

Ethos or Delos you will be impressed

#3 Grounddweller

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Posted 04 December 2020 - 08:51 AM

I owned most varieties of ES eyepieces ( 52, 62, 68, 82*) and have sold then all after trying the Televue equivalents. TV just works better for me. I even swore off of the 82 line after using the ES as the lens design did not allow me to view the FOV without putting my whole head on a swivel. Then I picked up a 13mm & 7mm Nagler in a package deal, thinking I would just pass them along and boom! what a difference there was in the view. The TV eyepieces allowed me to take in the whole FOV without the merry-go-round exercise. The Radians still offer a much clearer view than the newer 62* line from ES. The closest parallel for me was the 24mm 68* compared to the 24mm Panoptic, both were equally impressive, and for me the reason I sold the ES was the smaller form factor of the TV. That being said, The Delite line at 62* is very impressive and the Delos at 72* is not far behind. The Ethos are magnificent but you might have to take out a second mortgage to bring one home. 

 

Considering your current lineup, I would say the Delos would be very impressive to you but the focus travel would be very different on the dob, and the weight difference could cause an issue on the 4". This wouldn't be a proper CN response without throwing in unsolicited comparisons/suggestions so here they are:

Delite 15mm or 18.2mm

Nagler 9mm ( compare to your 8.8)

and coming in from waaaaaay out in left field... Baader Morpheus 14mm or 17.5mm 


Edited by Grounddweller, 04 December 2020 - 08:55 AM.

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#4 Sparky2606

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Posted 04 December 2020 - 08:51 AM

I suggest calling TeleVue.  I did, and they connected me with Dave of all people.  He walked me right down the line of what to expect with my scope.  I have the range of Ethos eyepieces that he recommended.  I could not be happier. Between the Ethos or the Delos eypieces, it all comes down to what you would like for your degree of field of view and how much of a dent your pocket book can take.  The Ethos a expensive.



#5 BillP

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Posted 04 December 2020 - 08:56 AM

The 4.7, 8.8, and 11 ES82s are really great eyepieces and stand well on their own against any similar (I had most all of the 1.25" T6s and compared, kept the ESs as just as sharp and ER the same but tonally I preferred them as a bit more neutral).  So I think the 14 Delos would be a good fit in that lineup.  Following that the 17.3 Delos I consider weak compared to the rest of the line, and optically feel the 17.5 Morpheus is the better choice.


Edited by BillP, 04 December 2020 - 08:58 AM.

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#6 TOMDEY

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Posted 04 December 2020 - 08:58 AM

The Delos are wonderful! The eye relief is huge, so you may want to deploy the built-in slide-up pupil-finder (I don't but some find it to be essential; a personal thing.) I have and enjoy pairs of the 17.3, 14, and 10's... spectacular performers: Premium TeleVue Eyepieces are addictive.

 

CAUTION: Try them once, and you will be dissatisfied with the cheap copycat brands.

 

Few related pictures >>>

Attached Thumbnails

  • 156 80 delos on APM binos.jpg
  • 157 14mm Delos.jpg
  • 158 pupil measuring instrument on Delos 17.3.jpg


#7 f74265a

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Posted 04 December 2020 - 09:16 AM

14 Delos is really nice. I like mine a lot. It is a 70 degrees class and you have a lot of 82 degree pieces. If you can stomach the price, you have a gap between the 4.7 and the 8 that a 6 ethos would fill nicely. The ethos line is fantastic and addictive. The tfov at the magnification you get makes, for me, a most enjoyable view.

I have most ethos, Delos and delite and consider the following to be standouts: 10 (super super sharp) 12 and 14 Delos, 3.7, 4.7 and 6 and 10 ethos, 4, 9, 11, 13 and particularly 18.2 delite. At least that’s my opinion.

Edited by f74265a, 04 December 2020 - 09:32 AM.


#8 Voyager 3

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Posted 04 December 2020 - 09:26 AM

.... and addictive.

Surely not for a common man ! lol.gif



#9 Mike W

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Posted 04 December 2020 - 09:28 AM

The Delos weight won't be an issue if you keep a TV equalizer in the focuser like I do with my TV102. 

 

https://televue.com/...d=23&Tab=_equil


Edited by Mike W, 04 December 2020 - 09:49 AM.


#10 Grounddweller

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Posted 04 December 2020 - 09:39 AM

The Delos weight won't be an issue if you keep a TV equalizer in the focuser like I do with my TV102. 

Very true, however you are tacking on another $65 to the cost of owning a Televue, and all these little doodads add up! $$$$$$

 

Steve



#11 Spikey131

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Posted 04 December 2020 - 09:47 AM

I have several TV and ES eyepieces. There is definitely a noticeable difference across the board, with the TV on top. That being said, the ES 82s I have are excellent EPs.

Looking at your EP lineup, what you are missing is a truly wide long focal length unit. If you want to be wowed by a TV EP, get a 31 T5 Nagler or the 21 Ethos.
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#12 wrnchhead

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Posted 04 December 2020 - 09:56 AM

Tom, what the heck is that graduated aluminum tube thingy in your last image?


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#13 Mike W

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Posted 04 December 2020 - 09:56 AM

Very true, however you are tacking on another $65 to the cost of owning a Televue, and all these little doodads add up! $$$$$$

 

Steve

If you have 2" and 1.25" (Televue or not) eyepieces in a refractor it's worth the $ to not have to re-balance all the time! 

 

5.jpg


Edited by Mike W, 04 December 2020 - 09:57 AM.


#14 earlyriser

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Posted 04 December 2020 - 09:57 AM

I'm a big Delos fan myself.  But I think which line you will gravitate to depends on your preferences/needs regarding eye relief, field of view, size/weight, and finally price.

 

Nagler type 6 eyepieces provide an experience similar to the ES 82, and Delites are more like the ES 62 you have.  Delos has the same eye relief as the Delites, and splits the difference in field of view between the Delites and Naglers, but weighs more than either. Ethos give the ultimate wide-field experience, but are heavy and expensive.  

 

The Panoptic 24mm shows up on a lot of top ten eyepieces of all time lists.  I believe it's nearly perfect so long as you observe without glasses. 

 

Given your current lineup, starting with a 14mm Delos as some have suggested would not be a bad idea. 


Edited by earlyriser, 04 December 2020 - 10:03 AM.


#15 MrRoberts

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Posted 04 December 2020 - 10:05 AM

My 22 Nagler and 17 Ethos are very immersive wide field ep's in my apo and SC. I also used the 22N in my now gone dobs 8" and 15".



#16 SeattleScott

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Posted 04 December 2020 - 10:07 AM

Yes his lineup is very good up to 11mm. Delos might be a touch sharper but narrower view. Easier to view with better ER but not a big difference in the view. The 14 Delos isn’t much wider than the 11mm ES. The 17.3 Delos is the weak link in the series so not the best choice for a first taste of TV. So I wouldn’t bother with Delos. Besides his 20mm isn’t bad. It’s just only 68 AFOV.

The bigger improvement would be something like a 22 Nagler. That would be a real improvement over the 26/62. Not this subtle thing where you have to compare side by side to see a difference. It doesn’t address the gap between 11 and 22 though. So a 16 Nagler would be another option. A 31 Nagler could be ideal but sooo expensive. And might be too large of an exit pupil for the Dob depending on light pollution.

Scott

Edited by SeattleScott, 04 December 2020 - 10:09 AM.


#17 bthrel

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Posted 04 December 2020 - 10:12 AM

Lots to consider here, the 14 Delos is looking more and more like the choice...Going to have to sit and monitor my email for one to pop up in the classifieds. I know the comparison between TV and others, specifically ES, is subjective, not black and white, but after reading many of the threads I get the sense the difference is more than shades of grey difference, am I wrong to make this assumption?


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#18 Mike W

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Posted 04 December 2020 - 10:17 AM

https://televue.com/...11_06_Delos.pdf


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#19 25585

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Posted 04 December 2020 - 10:26 AM

An 18.2mm Delite is a great eyepiece if you are put off by the Delos 17mm.

Attached Thumbnails

  • astronomy_tools_fov (26).png

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#20 f74265a

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Posted 04 December 2020 - 10:34 AM

I strongly prefer the 18.2 delite to the 17.3 Delos in my tv 85.
Among other things, I start to see the fc inherent in my scope in the 17.3 whereas the 18.2 is perfect to my eyes
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#21 SeattleScott

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Posted 04 December 2020 - 10:41 AM

The way I see it, he clearly likes 82 AFOV and doesn’t need 20mm ER. Hence I was recommending Naglers. The 18.2 Delite has around the same TFOV as the 16 Nagler. For someone who doesn’t need glasses and is used to 82 AFOV, would you still recommend the 18.2 Delite over the 16T5? It’s not like he doesn’t have 62 AFOV eyepieces too so maybe he wouldn’t be put off by the small AFOV.

Scott

#22 f74265a

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Posted 04 December 2020 - 10:58 AM

The way I see it, he clearly likes 82 AFOV and doesn’t need 20mm ER. Hence I was recommending Naglers. The 18.2 Delite has around the same TFOV as the 16 Nagler. For someone who doesn’t need glasses and is used to 82 AFOV, would you still recommend the 18.2 Delite over the 16T5? It’s not like he doesn’t have 62 AFOV eyepieces too so maybe he wouldn’t be put off by the small AFOV.

Scott


The 16 nagler fits his needs on paper and has a great reputation optically albeit with slimmer eye relief. The only reason i didn’t mention it is I have not tried it and hesitate to recommend something I don’t own bc I feel as though I don’t have standing to do so.
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#23 cimar

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Posted 04 December 2020 - 11:04 AM

With my 15" f/5 and 10" f/5 i use the following great eyepiece set:

31mm Aspheric, 17.3mm, 10mm, 6mm, 3.5mm Delos.


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#24 Grounddweller

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Posted 04 December 2020 - 11:37 AM

The way I see it, he clearly likes 82 AFOV and doesn’t need 20mm ER. Hence I was recommending Naglers. The 18.2 Delite has around the same TFOV as the 16 Nagler. For someone who doesn’t need glasses and is used to 82 AFOV, would you still recommend the 18.2 Delite over the 16T5? It’s not like he doesn’t have 62 AFOV eyepieces too so maybe he wouldn’t be put off by the small AFOV.

Scott

 

The 16 nagler fits his needs on paper and has a great reputation optically albeit with slimmer eye relief. The only reason i didn’t mention it is I have not tried it and hesitate to recommend something I don’t own bc I feel as though I don’t have standing to do so.

The OP has several AFOV lines so I wouldn't say the 82* is necessary. I will say the 16T5 is awesome, though it collects eyelash oil like a magnet owing to the tight ER. The 18.2 Delite is fantastic, (though my partially colorblind vision allows me to enjoy my Radians without suffering as much of the warm tones as some others complain of so I have no need to upgrade). The Delos 14 would be within .10 FOV of his ES11 so it would work, though the focus travel and weight difference would be considerable, and there is that gigantic lens the Delos ( and Morpheus') have that give a totally different perspective.


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#25 SeattleScott

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Posted 04 December 2020 - 11:56 AM

Good point so the 18.2 Delite or 14 Delos would be largely about trying out a more immersive eyepiece with greater eye relief, as opposed to recommending the 16 Nagler which is just the TV version of what he already has, but in a focal length not already covered. Either way seems like a perfectly valid approach.

Scott
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