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  1. #1
    finman's Avatar
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    Default is afov over rated?



    is huge afov over rated? I mean do we really need 100deg. I mean cmon lets not get lost here.its crazy money. is it wotyh it? just wondering

  2. #2
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    Default

    Well to be honest, I quite like the change when I look through a DOB - the wide field is rather sumptuous.
    With my LX90 I only get 15 mins of arc with my 6.4mm lens
    With my 40mm I get 1degree 22mins 30secs - which is not a great deal - but then I do get a lustrous image - I need a focal reducer for the AP though to even get the full Orion M42
    with a 26mm lens, I just get the full moon in my eyepiece.

    Yes a wide field is excellent, but I like my picture!
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  3. #3
    WWPierre's Avatar
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    Default

    I get very satisfying astronomating with my cheap eyepieces. I will admit, however, that my favorite EP is my most expensive. (the 30mm), but it's not wide angle. It has great eye relief, a much more valuable feature, imnsho.
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  4. #4
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    Default

    I've read very few disappointments from those who actually drop the cash on top notch 100° EPs. It's worth it to anyone who can take in the view comfortably.

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    Default

    My cheap eyepieces are all I know. If I ever use something better it could very well be my financial demise.
    However, I am planning on buying a Hyperion zoom in the very not-so-distant.
    -Nick

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  6. #6
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    Default

    Quote Originally Posted by TCA View Post
    I've read very few disappointments from those who actually drop the cash on top notch 100° EPs. It's worth it to anyone who can take in the view comfortably.
    The last sentence says it all,.,...

    Although the human eye can actually "see" approximately 140 degrees an eyepiece that "only" has 100 degree AFOV should in theory be well within the limits...

    UNFORTUNATELY ...in my case I find using 82 degree AFOV eyepieces "uncomfortable" becaus eI am constantly shifting my eyeball all over the place to "take in" the entire FOV...

    Bottom line for me... 68-70 degree eyepieces are what you will find in my eyepiece case... I have no use for Naglers, and definitely none for the Ethos ... Mine are Pentax XW's an Panoptics for the most part...

    Eyepieces are very very personal items...

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    Retired, also have 2 other hobbies
    1. tinker with older Corvettes (6 in garage)
    2. make a heck of a lot of sawdust in my wood shop.

  7. #7
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    Default

    Quote Originally Posted by finman View Post
    is huge afov over rated? I mean do we really need 100deg. I mean cmon lets not get lost here.its crazy money. is it wotyh it? just wondering
    It's all in the eye (literally) of the beholder. Ethos owners who chose to keep it will say yes, it's worth it. On the other hand, have seen Ethoses for sale in the used mart at reduced prices and I guess for these owners, it's not worth it, for one reason or another. The best thing to do is to test one if that were possible (like in a star party, or to borrow one), because some are just content with around a 68 to 70-deg. apparent field of view (AFOV) because if affords an eye-full with no need to move the eyeball around to see the edge of the field, or the field stop, while others prefer a wider more immersive view such as the 82-deg. eyepieces like the Naglers which have been described as having a "spacewalk" feel to it, like being in the view and not just looking at the view, an attribute that has endeared it to numerous owners (I like my Naglers too). And the Ethoses at 100-110 deg. (the latter for its most recent release, the Ethos 3.7mm SX) takes it to a whole new level altogether, whose advocates swear by them. Whether it's worth it or not is really a very subjective and personal matter, only you can tell once you've tried it yourself.

    Best,

    Hernado

  8. #8
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    Default

    I agree with Bob. What you are really PAYING FOR is pinpoint stars all the way across the field of view.

    Most of us are satisfied with 90% - 95% being sharp with the outer 5% being somewhat "soft".

    I agree with Bob 65-70 degree field of view works just fine; with about 15mm-20mm of eye relief. This is probably why the Hyperion line of eyepieces is so well respected.
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    Default

    I agree it is a personal taste thing, but I like the wider FOV, at least 82 degrees. The 52 degree eyepieces make me feel like I'm trying to look through a straw; I can see the target and don't really need more space around the subject, but I like to feeling being out in the open (wide FOV) as opposed to being in a confined space (narrow FOV).
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    ) Filters, 2" Astronomik OIII filter, dew heater system, and Nikon Action 7x50 EX Extreme ATB 6.4* binoculars & Celestron 15x70 binoculars.

    I'm enjoying learning the sky by star hopping; just charts, my binoculars, and my Dob!

 

 

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