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Equipment Discussions >> Eyepieces

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T1R2
Carpal Tunnel


Reged: 06/11/13

Loc: NeverWhere, 35*N
Re: Edge HD 8" EP recommendations new [Re: seawolfe]
      #6039074 - 08/21/13 08:13 PM

I think the 3mm won't work well because it gives a mag. of 666X in a 2000mm F/L telescope, try backing off to about a 9-10mm ep. if your viewing Jupiter wait until almost sunrise when its at its highest, you might be able to use these with planetary nebs. with pleasing results.

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Susan H
member


Reged: 08/01/13

Loc: Texas
Re: Edge HD 8" EP recommendations new [Re: loudupe]
      #6039129 - 08/21/13 08:45 PM

Good for you, Lou. Be sure and post your photos on here! I might consider a polar alignment scope too. I was able to do those with my last scope.

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Susan H
member


Reged: 08/01/13

Loc: Texas
Re: Edge HD 8" EP recommendations new [Re: T1R2]
      #6039141 - 08/21/13 08:52 PM

Hi T1R2, my 7mm Nagler is as low as I will go. Anything any lower than that just won't work. The guys that sold me my scope said the 12mm I bought and the 40mm that came with my scope will work good for now and with the 2x Barlow that I also have. I'm sure I'm going to be doing some serious upgrading later on.

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T1R2
Carpal Tunnel


Reged: 06/11/13

Loc: NeverWhere, 35*N
Re: Edge HD 8" EP recommendations new [Re: Susan H]
      #6039493 - 08/22/13 01:57 AM

Sorry Susan, I was referring to seawolfe

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Susan H
member


Reged: 08/01/13

Loc: Texas
Re: Edge HD 8" EP recommendations new [Re: T1R2]
      #6039597 - 08/22/13 05:11 AM

Not a problem T1R2.

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BDS316
Carpal Tunnel


Reged: 09/16/09

Loc: Sol 3
Re: Edge HD 8" EP recommendations new [Re: Ava]
      #6039665 - 08/22/13 07:23 AM

My advice. Don't be to granular with your magnifications.

I see this as a common "Mistake." People tend to get too many small steps and sometimes duplicate true field sizes.

I advise that you buy far fewer but excellent quality eyepeices than waste a lot of money on more eyepieces that you won't use (or will wind up swapping a lot).

The ES 82mm eyepieces are reported to be excellent as well (I own several 68 degree versions, and I find them to be excellent) so this is a great alternative.




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REC
Post Laureate
*****

Reged: 10/20/10

Loc: NC
Re: Edge HD 8" EP recommendations new [Re: Susan H]
      #6040126 - 08/22/13 01:13 PM

These and the Meade version are good lower cost alternative fpr higher power for moon and planets where you don't need the super wide angel views, they are 60* FOV and have long eye-relief.

Just an FYI, I just posted a X-Cel LX 9mm for sale. It was about as high a power I could use in my LS-8 at 240x, but where I live the skies rarely let me use it, so selling it. For now I stop at 11mm for 180x on good nights.

My most used EP range is around 20mm as you get a 2mm exit pupil.

Have fun with your new scope!

Bob


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kwjohnson
super member
*****

Reged: 03/27/11

Loc: Minneapolis, Minnesota
Re: Edge HD 8" EP recommendations new [Re: WesC]
      #6040478 - 08/22/13 05:09 PM

Quote:

I sold my 6mm Radian when I got my Edge 11. At 466x there was no way I was going to be able to use it any more. I now have an 11mm Nagler now that's around 250x and its plenty. I also have a 20mm ES100 which I really love.

As far as a good, all around, EP... take a look at the 14mm ES100. Its a great EP and not very expensive, about $300. It'll give you 140x and 0.69-degrees. About what my 20mm gives me.






Is anyone using an ES100 20mm in the C8 Edge? Loved the eyepiece but I sold it when I sold my 10" dob. I remember it vignetting badly in the C8. The ES100 14mm worked well, but I also sold it and went with a set of narrower FOV eyepieces. I was on some nerve meds at the time and rolling my eye around wasn't good. Maybe it was just me.

I'm using the ES68 34mm, 20mm, and 16mm mainly. I occasionally use the ES82 14mm and have an ES82 11mm as my highest mag. ES82 6.7mm is too much in my skies.


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Ava
sage


Reged: 11/30/11

Loc: Sweden
Re: Edge HD 8" EP recommendations new [Re: kwjohnson]
      #6041223 - 08/23/13 04:18 AM

I use a 21mm Ethos with no vignetting issues. I see no reason why the 20mm ES100 should vignette but I have not tried it.

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Lamb0
Carpal Tunnel
*****

Reged: 07/25/07

Loc: South Eastern(ish) Nebraska
Re: Edge HD 8" EP recommendations new [Re: Ava]
      #6041255 - 08/23/13 05:30 AM

Perhaps the vignetting issues were associated with the (unreported) use of a focal reducer.

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seawolfe
professor emeritus


Reged: 06/26/13

Loc: N 47.11.23 W 122.20.18
Re: Edge HD 8" EP recommendations new [Re: T1R2]
      #6041260 - 08/23/13 05:40 AM

Quote:

I think the 3mm won't work well because it gives a mag. of 666X in a 2000mm F/L telescope, try backing off to about a 9-10mm ep. if your viewing Jupiter wait until almost sunrise when its at its highest, you might be able to use these with planetary nebs. with pleasing results.




Thanks, T1R2 for the explanation.

As I said, I was a total newbie when I bought this scope. While I was getting purchase fever, I got the scope ordered and then went on a shopping spree at Orion. Nothing wrong with their products, but I didn't do the math correctly with the magnification factor before I bought the 3mm.

So, I have one eyepiece that doesn't work all that well for me. I'm sure others have made the same mistake.

But all of the others give me great views

As for Jupiter, well.... I'll have to wait until the almost continuous cloudy weekends have finished to get a view of that planet. As I work nights to noon, I don't get to see dawn much.


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kwjohnson
super member
*****

Reged: 03/27/11

Loc: Minneapolis, Minnesota
Re: Edge HD 8" EP recommendations new [Re: Lamb0]
      #6042699 - 08/23/13 11:28 PM

Quote:

Perhaps the vignetting issues were associated with the (unreported) use of a focal reducer.




Hi--no focal reducer. Baader 2" Clicklock visual back with GSO diagonal.

Like I said, could have been the meds. I could hardly walk without hanging on to walls.

Kevin


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