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Thread: Delos or Ethos?

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    Default Delos or Ethos?



    Hello ever one.
    I have a 14"dob and the person I bought it from had if I remember right a 10mm Ethos and it was the most beautiful view I had ever seen.
    Sadly it didn't come with the scope.
    Problem is the Ethos is super heavy and very pricey.
    Id like to know if any one has any experience with Delos vs Ethos eyepieces?
    how does the Ethos stack up against Delos?
    Thank you for your help.
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    Default Re: Delos or Ethos?

    Go to a star party and try them both. Make a decision after that.
    My eyes
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    Default Re: Delos or Ethos?

    While I've never used an Ethos to compare directly (yea, too much temptation there), I can say that the Delos' are pristine. Almost Ortho quality. I had all of the Delos line, and for similar reasons at the time for weight/size considerations, opted to move to the smaller modern Nagler line. The newer De-Lite line is even lighter and smaller than the Delos. While it will give up a little in AFOV, 62 vs 72, from all reports and reviews I've seen the optics are equal, if not better than the Delos. Ah, so many options to consider.
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    Default Re: Delos or Ethos?

    They are both fine eyepieces. I believe it's the other way around, how well does the Delos stack up the the Ethos. The answer is very well. Once you start using better eyepieces, it's easy to get spoiled.
    The Ethos has 100° and Delos has 72° apparent field of view. If you like the Wide Field of view eyepieces, the Ethos will make you feel like your almost immersed in space. You might also want to consider a 9mm Nagler at 82°, it is inbetween the Ethos and Delos.
    There are other options like Explore Scientific who have 100°, 92° and 82° eyepieces at a slightly cheaper price, but still very good quality.
    Like "Leveye" said, go to a starparty or find a club and go to their outreach or observing events and look through what other people have.
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    Default Re: Delos or Ethos?

    All wide field (like Ethos) eyepieces get their wide field by introducing pincushion distortion. You're not seeing the sky as it is you're seeing how the eyepiece distorts the sky to give a wide field. Some folks like this experience. Straight lines are distorted into curves.

    I prefer the more clinical and orthoscopic view through a Delos. You should go to a star party and see what you like. For me the price of the Ethos was not worth the gimmick of the 100 degree field so I used the ES100 clones instead.

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    Default Re: Delos or Ethos?

    Quote Originally Posted by not_Fritz_Argelander View Post
    All wide field (like Ethos) eyepieces get their wide field by introducing pincushion distortion. You're not seeing the sky as it is you're seeing how the eyepiece distorts the sky to give a wide field. Some folks like this experience. Straight lines are distorted into curves.

    I prefer the more clinical and orthoscopic view through a Delos. You should go to a star party and see what you like. For me the price of the Ethos was not worth the gimmick of the 100 degree field so I used the ES100 clones instead.
    I couldn't agree more. The observatory I belong to has several Ethos eyepieces. All Staff-members use Delos, Nagler and ES at home. Reason: not budget, but the more orthoscopic and easy view (placing the eye, less blackouts/ kidney-beaning, whole field in one glance) Ethos is all right, its 100 degree field of view is good for "oh's and ah's" from the public, although the full field of view is only possible if one turns the head during observation.

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    Default Re: Delos or Ethos?

    I would recommend the Ethos only for the very highest magnifications. I have the 6mm for my high power viewing. Other than that I have 82 degree naglers and a 32mm widefield. That said, the public does go crazy when viewing the 6mm Ethos at starparties. It seems to be my main eyepiece which I never expected. But the 100 degree apparent FOV and great eye relief is really a crowd pleaser. I use the 6mm Ethos way more than my 9mm nagler. And the Delos has a smaller apparent FOV.

    So if you have a thing for the Delos at low/mid power magnifications, it should not be an issue. But when selecting a high power eyepiece you do need to think about an Ethos.
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    Default Re: Delos or Ethos?

    A manual drive Dob benefits from wide angle eyepieces because it is much easier to follow a target. Ethos have quite a following of seasoned observers. The Delos and Pentax XW's also have a large fan base but of the not so wide a view. I personally like the 82-70ish degree eyepieces but do not own a Dob. If I owned a Dob my choices for medium to low mag eyepieces would most likely remain the same as what I have. For high magnification I would lean to the 82-100 degree eyepieces like the Ethos and Naglers. BTW Explore Scientific's are quite good and often less pricey. I don't have ES's so details on performance I can't provide.
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    Default Re: Delos or Ethos?

    Quote Originally Posted by Lola Bruce View Post
    A manual drive Dob benefits from wide angle eyepieces because it is much easier to follow a target. Ethos have quite a following of seasoned observers. The Delos and Pentax XW's also have a large fan base but of the not so wide a view. I personally like the 82-70ish degree eyepieces but do not own a Dob. If I owned a Dob my choices for medium to low mag eyepieces would most likely remain the same as what I have. For high magnification I would lean to the 82-100 degree eyepieces like the Ethos and Naglers. BTW Explore Scientific's are quite good and often less pricey. I don't have ES's so details on performance I can't provide.
    Bruce
    The ES 100 degree AFOV series has slightly brighter sky background than the TV Ethos. I decided that the extra price wasn't worth the extra contrast since I don't take the 100 degree format very seriously for observing. I understand that many folks like the wide format better for their Dobs but I have a gentle hand with guiding and my bearing surfaces are very smooth on the Z12. With planetary season coming up, I'm looking forward to getting some cracking sharp views of Jupiter, Saturn and Mars in the Z12 with my 40 degree AFOV KK Orthoscopics. For planetary and nebular details they beat out Delos by a little and the 100 degree guys by more than a little. YMMV of course.

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    Default Re: Delos or Ethos?

    Each to their own. I use Nagler, Ethos and ES100 degree EP,s mainly in my 10 and 18in scopes,this is how I like to view the universe, especially DSO's,anything else is just too restrictive. I use Delos and Pentax XW's for Lunar, Solar and occasional small DSO's.

 

 
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