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Tele Vue Delos 12mm for 10" dob.

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#1 Matt8992

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Posted 10 November 2019 - 10:51 AM

Hey everyone. I recently bought a 10" dob from high point. It came with a 30mm 2" 68° and a 9mm 1.25" plossl.

I had an Orion 8" a few years ago with a couple of Baader eyepieces, but then it was all stolen. I distinctly remember how impressed I was with the baader EPs compared to the generic ones that came on the scope.

So here I am ready to get another eyepiece, and I was thinking of getting the Tele Vue Delos 12mm. It has a 72° APOV which I think I would love because I really really like the 68°APOV on the 30mm I have, but I also enjoy the magnification of the 9mm plossl. So I feel like this eyepiece would complete my set for a good long while.

Any opinions on why this is a good or bad idea and any recommendations for something else?

I've been doing a lot of lunar and planetary observations but I really want to start viewing DSOs now.

#2 gene 4181

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Posted 10 November 2019 - 11:00 AM

 12 mm is a good place too be  IMO ,  your scope is a 1200 mm  focal length   add a quality 2 x barlow and it'll double as a planetary piece


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#3 csrlice12

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Posted 10 November 2019 - 11:01 AM

Good choice, gives you a 1mm exit pupil @ 100X....though a 10mm Pentax XW should be considered.  While there is optically little difference, the XWs are much more comfortable to use.  The XW rotating eye cup is much, much better designed then TeleVue's twist/pull/twist method.


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#4 Matt8992

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Posted 10 November 2019 - 11:18 AM

 12 mm is a good place too be  IMO ,  your scope is a 1200 mm  focal length   add a quality 2 x barlow and it'll double as a planetary piece

Ok, thanks! I have the  Celestron X-CEL LX Barlow 2X although I havent been that impressed with it on my 9mm plossl so far.  I'll give it a try if and when I get the TV and let you know!


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#5 Matt8992

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Posted 10 November 2019 - 11:20 AM

Good choice, gives you a 1mm exit pupil @ 100X....though a 10mm Pentax XW should be considered.  While there is optically little difference, the XWs are much more comfortable to use.  The XW rotating eye cup is much, much better designed then TeleVue's twist/pull/twist method.

Ok, awesome! I am going to look into it now.  I definitely think that would be a nice advantage to have.   



#6 StarryHill

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Posted 10 November 2019 - 11:55 AM

If it has a 1250mm focal length at f/4.9, then the Delos 12mm eyepiece will give you a 2.4mm exit pupil (not 1mm). A 2.4mm exit pupil is in my experience right in the middle of the 'sweetspot' for a fast dob. So you'll get great contrast --  bright targets with dark backgrounds. This is an eyepiece that you'll likely use more than any other for viewing DSOs. Put a barlow on it and you'll have a great setup for the moon and planets.

 

Be sure to also consider the Baader Morpheus 12.5mm -- it gives you even greater FOV (76°) and yet costs quite a bit less than the Delos but still offers excellent edge-to-edge performance.


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#7 Matt8992

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Posted 10 November 2019 - 12:25 PM

If it has a 1250mm focal length at f/4.9, then the Delos 12mm eyepiece will give you a 2.4mm exit pupil (not 1mm). A 2.4mm exit pupil is in my experience right in the middle of the 'sweetspot' for a fast dob. So you'll get great contrast --  bright targets with dark backgrounds. This is an eyepiece that you'll likely use more than any other for viewing DSOs. Put a barlow on it and you'll have a great setup for the moon and planets.

 

Be sure to also consider the Baader Morpheus 12.5mm -- it gives you even greater FOV (76°) and yet costs quite a bit less than the Delos but still offers excellent edge-to-edge performance.

Ok, I looked into that one and now I am definitely weighing my options with both of them.   Maybe I shouldn't have asked for other suggestions because now this is stressing me out haha. So many options!


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#8 Astro-Master

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Posted 10 November 2019 - 01:03 PM

If you liked your old Baader Hyperion 68* FOV eyepieces, you'll love the Baader Morpheus eyepieces, and at only $239, its $113 less than the Delos


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#9 25585

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Posted 10 November 2019 - 01:30 PM

Or a Baader Morpheus 12.5mm. It has 76°AFoV, and is very immersive viewing. 


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#10 cimar

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Posted 10 November 2019 - 05:49 PM

Hi,

I use and like eyepieces with 31mm, 17mm, 10mm and 6mm at my 10" f/5. Had a 13mm earlier and sold it, because for my taste it had too little magnification and too bright background for details and too little light and field of view for larger nebulas.


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#11 Tyson M

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Posted 10 November 2019 - 06:37 PM

Hard to go wrong with any Delos choice. 


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#12 areyoukiddingme

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Posted 10 November 2019 - 07:06 PM

As has been remarked, the 12 Delos will be an excellent choice, and almost certainly a most used eyepiece as it'll hit a sweet spot for exit pupil.

 

While I haven't tried the 12 Delos, I have tried the 14. It was excellent, and the only reason I sold is that I decided I wanted to complete a set of Pentax XWs.

 

As for comfort, I found the Delos immediately comfortable and easy to use. My initial use of the XWs left me with massive black outs when searching for the exit pupil. That was remedied by getting the cup set to just the right height.

 

I've been trying out a used 12.5 Morpheus for the past week or two. I'm not finding it as impressive as the 17.5 or the 14 that I tried before. It's by no means bad, but I think the Delos is likely to be a tiny bit better if compared directly.


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#13 Matt8992

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Posted 10 November 2019 - 09:20 PM

Thank you everyone! You all gave me great information and confidence in my choice.   I looked at all suggested here, but am ultimately going to go with the Delos.   I'll report back after I get it and let you know if my life changed.


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#14 John F

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Posted 10 November 2019 - 10:49 PM

At one time or another I've owned and used all 8 of the Delos eyepieces in that series.  All are excellent but the 12mm has been my favorite.  Other eyepieces near it (i.e., the 12.5mm Doctor/Noblex and the 11mm Apollo 11) have been tempting because of the larger True and Apparent Fields they'll provide compared to the 12mm Delos.  But on the other hand the AFOV & TFOVs that the 12mm Delos provides have proven to be more than sufficient for meeting my actual real world observing needs.  Moreover, it has done that so well that I simply can't imagine replacing it with any other eyepiece in the 11mm - 13mm Focal Length range.

 

John Finnan


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#15 Matt8992

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Posted 11 November 2019 - 09:20 AM

At one time or another I've owned and used all 8 of the Delos eyepieces in that series.  All are excellent but the 12mm has been my favorite.  Other eyepieces near it (i.e., the 12.5mm Doctor/Noblex and the 11mm Apollo 11) have been tempting because of the larger True and Apparent Fields they'll provide compared to the 12mm Delos.  But on the other hand the AFOV & TFOVs that the 12mm Delos provides have proven to be more than sufficient for meeting my actual real world observing needs.  Moreover, it has done that so well that I simply can't imagine replacing it with any other eyepiece in the 11mm - 13mm Focal Length range.

 

John Finnan

Thanks John.  I ordered mine from HighPoint last night, but just saw this morning they are having a sale on TV EPs so I am going to try and cancel my order and get the discounted price ;)



#16 nicoledoula

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Posted 11 November 2019 - 09:53 AM

Non elitists say this EP is very good. https://www.astronom...gm-dual-ed.html


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#17 Matt8992

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Posted 11 November 2019 - 11:21 AM

Non elitists say this EP is very good. https://www.astronom...gm-dual-ed.html


I've noticed you made a sarcastic comment on another post also. Are you bothered by people buying Tele Vue?

#18 GeneT

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Posted 11 November 2019 - 11:27 AM

I would recommend any Delos eyepiece. For a medium field of view eyepiece, there is no better one than a 13 Ethos, but they are quite expensive. 



#19 25585

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Posted 11 November 2019 - 11:31 AM

Non elitists say this EP is very good. https://www.astronom...gm-dual-ed.html

Eye relief only 13mm though.



#20 brentknight

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Posted 11 November 2019 - 11:33 AM

I've noticed you made a sarcastic comment on another post also. Are you bothered by people buying Tele Vue?

I can't understand why someone would really care.  It's your hard-earned cash to spend - get exactly what you want to get.


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#21 Miranda2525

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Posted 11 November 2019 - 12:09 PM

Eye relief only 13mm though.

What is listed and what is real is different. Eye relief on the Paradigms is more.



#22 25585

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Posted 11 November 2019 - 12:13 PM

What is listed and what is real is different. Eye relief on the Paradigms is more.

What is it then please?




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