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Thread: A Good Collection of Eyepieces?

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    Default A Good Collection of Eyepieces?



    Greetings!

    First off, I don't think the rain and cloudy skies are ever going to move out of NC! The conditions have been terrible for too long with several more nights of the same ahead.

    I recently bought a 2" ES 18mm 82 degree EP which is great. A huge difference from the 1.25" EP's. This morning I ordered a new 2" ES 9mm 100 degree EP. My question is, considering my scope is a Celestron CPC800XL SCT, what would be a good choice for a third nice EP? Nagler vs panoptic? ES vs Televue? Which mm? This is getting into some major bucks, so I need a little direction here so I don't make a "hundreds of dollars" mistake.

    Many thanks in advance for advice.

    Wayne

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    Default Re: A Good Collection of Eyepieces?

    Are you using a focal reducer as well? I would look for something with longer focal length for DSO searching and where you need much less magnification. be very aware of the limitations of this scope with vignetting and you will need to take in to account this the wide view eyepieces like Nagler etc at 82 degrees because of this. To be honest I think you'd be better off with buying the focal reducer as this makes a big difference and wait on purchasing more eyepieces until youve used the ones you have with a variety of objects. I think you'll find the 9mm not used much because of the seeing conditions demanded on the magnification at f10. However at f6.3 it's different thing.
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    Default Re: A Good Collection of Eyepieces?

    Dave,
    Thank you for the advice. I have not bought a reducer yet, but have been reading about them. Much of this stuff is still Greek to me, but I'm learning. Celestron makes a f6.3 reducer/corrector. Would you recommend this one, or is there another brand that is better?
    Thanks again,
    Wayne

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    Default Re: A Good Collection of Eyepieces?

    I would recommend the Celestron 6.3 reducer. I keep one on my scope almost all the time. The reduced focal length helps you get a somewhat wider (and to some extent, brighter) field of view. The reducer somewhat doubles you EP collection also, giving you different magnifications either with or without it. Sort of like a barlow, just reverse. I agree with the advice of looking into wider FOV EPs, especially for the SCT, maybe in the mid twenties to mid thirties area. But also, take your time on this to see what your favorite, and most regular targets are so you'll be better able to judge the magnification and/or field of view that would best suit your needs.
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    Default Re: A Good Collection of Eyepieces?

    Thanks a million Frankie. This is a tremendous help.
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    Default Re: A Good Collection of Eyepieces?

    Antares also sell the same f6.3 reducer... I don't have experience of it though think it's pretty much the same price? I doubt much if any difference between them. The Celestron reducer is very good though for visual use I get pin point stars with this reducer/corrector much better than at f10 whcich I only use for planetary viewing now.
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    Default Re: A Good Collection of Eyepieces?

    The Panoptic 35 was designed for the C8 according to forum folklore. I have one for my CPC800XLT and love it. I have the 6.3 corrector but seldom use it, I have a 4" refractor for the extra wide views.
    Bruce
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    Default Re: A Good Collection of Eyepieces?

    Quote Originally Posted by wss9933 View Post
    Greetings!

    First off, I don't think the rain and cloudy skies are ever going to move out of NC! The conditions have been terrible for too long with several more nights of the same ahead.

    I recently bought a 2" ES 18mm 82 degree EP which is great. A huge difference from the 1.25" EP's. This morning I ordered a new 2" ES 9mm 100 degree EP. My question is, considering my scope is a Celestron CPC800XL SCT, what would be a good choice for a third nice EP? Nagler vs panoptic? ES vs Televue? Which mm? This is getting into some major bucks, so I need a little direction here so I don't make a "hundreds of dollars" mistake.

    Many thanks in advance for advice.

    Wayne
    =====================================
    HOLD ON TO YOUR WALLET.....

    I have a C8 as well as a C11 and the highest power eyepiece I carry in my case I use with the C8 is a 8.5 mm Pentax XF (60 degree FOV) ..IT GETS VERY VERY LITTLE USAGE....

    I would expect the 9 mm will get about the same ...my major concern is WHY in the world do you want an ultra ultra wide angle eyepiece for...especially with a GoTo tracking scope... I picked a 60 degree FOV on purpose since under high power I am looking a a small object and I sure do not want a heck of a space surrounding the target ...a 100 degree FOV eyepiece will make the target appear smaller as it takes up much less of the FOV...

    My 10 mm is also a Pentex (XW) a 70 degree FOV ...still wider then I really want ...

    in my C8 I seem to use my 31 and 35 (with a focal reducer) more then any of my other eyepieces COMBINED... my 8.5 and 40 see very little usage..my 10 mm gets a little more but still not much.. All my 25 mm and HIGHER power eyepieces are 1.25 inch eyepieces and ALL my 27 mm and lower power eyepieces are 2 inch eyepieces... BTW...I sold my gew Naglers and replaced them with Pentax XW for high power and with Panoptics for low power ( I just finds a 70 degree FOV more comfortable on my old eyes)

    My 14 my 20 and my 27 get a lot of use so I have no problems with the 18 mm ...

    I would be looking for a 31 Nagler or a 35 Pan IF you have your hear set on specific prands and have the money... My 35 is a Panoptic my 31 is a CHEAP Proxima from Hands On Optics that works fine in my slow C8...

    I ruyn a Denkmeier S1 P/S diagonal with a build in Focal reducer as well as a built in 2x Barlow (I almost never use the barlow function) and as I noted usually have the Focal reducer in play on all my lower power 2 inch eyepieces NEVER on anything higher in power the a 25 with a C8... I just get tired of installing the focal reducer on and off the scope 20 times a night with the Denk I can get 3 magnifications out of every single eyepiece and I do not even have to touch the eyepiece to get all 3 views...BUT I sure have to refocus!...

    Bob G.
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    Default Re: A Good Collection of Eyepieces?

    Bob, this is great, valuable info. Thank you much!

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    Default Re: A Good Collection of Eyepieces?

    Quote Originally Posted by wss9933 View Post
    Bob, this is great, valuable info. Thank you much!
    I agree with Bob. I rarely use my nagler 9mm. I am starting to use the 16mm nagler for DSO as it seems to have more contrast or something. For use M1 was better in the 16mm than my 32mm wide field. But I believe you do need a wide field eyepiece. Even with goto. Now that I am getting used to goto it always seems to put the object at the 2 oclock position in the 32mm field of view. It probably has something to do with the direction I zero in on my alignment stars. Starsense may help with that. But I do believe you want a wide fiels 2" eyepiece. What is you current low power eyepiece?

    And the F/6.3 focal reducer is a must have. In fact it seems to have gotten screwed into my 2" diagonal so well that it is going to be interesting to unscrew. But since I have no intention of not using my scope without the focal reducer I am not even going to mess with it. There is no upside to trying to remove it at this point.
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