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Thread: Eyepieces: before and after

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    Default Eyepieces: before and after



    The 'new to me' 9 mm Nagler T2 I bought last week arrived today. It's a pretty little thing.

    Here is a pic showing my old line up. A no-name 5 mm from SW, an Antares 10 mm WA, a no-name 20 mm from SW.

    EP's old.JPG


    And now my new line up: a second hand TV 5 mm Radian, a second hand TV 9 mm Nagler T2, a brand new ES 18 mm 82 deg, and a brand new ES 34 mm 68 deg. I might add something in the 24 mm range, just don't know what yet. I acquired these mostly to accompany an AR152 I got last spring. I do have a 2 inch ED barlow but I don't like fiddling with it.

    EP's new.JPG


    And of course I won't get to try out any of them just yet. Here is a photo of the sky for today. This is the clearest it's been for weeks,


    IMG_0247.JPG
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    Default Re: Eyepieces: before and after

    That is a nice set of EP's. Of course there are clouds but you have plenty of gaps between them to view.
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    Bill

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    Default Re: Eyepieces: before and after

    Upgrade eyepiece collection it's like observing Venus, from the surface.
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    Default Re: Eyepieces: before and after

    The sky don,t seem dark enough for astronomy in Patrice,s pic, Bill ! but when it is them eyepieces sure will shine . excellent buy,s .

    Dull skies Dan

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    Default Re: Eyepieces: update

    I finally had a quick chance to try out my new eyepieces last night. I had both the old and the new for comparison and used them all in an ED100 on a Duo-T mount.

    ES 34 mm 68 deg. Nothing to compare to but I'm pretty happy with it. Aimed it at the Pleiades and very pleasant it was. Pin point stars almost up to the very edge and a lot of them. Stars started to appear a bit elongated near the last little bit of the field of view. Easy to pick out the various differently colored stars sprinkled throughout the field of vision. Eye location is a bit finicky for me with this one. Too close and it blacks out and just a bit too far almost makes me dizzy. Just right and it's like looking out a window. Could not view the whole field without moving my eye around. Sharp well defined edge of field.

    ES 18 mm 82 deg vs no-name 20 mm long eye relief from SW: no contest. Knock out goes to the ES. Very nice view. Clear and sharp to the very edge of a well defined field. The well used phrase 'diamonds on black velvet' describes the view. Very easy to use.

    TV 9 mm Nagler vs older Antares 10 mm SWA: TV is the better eyepiece. Aimed these at the moon. More contrast and seemingly finer detail with the TV. The field edge on this one is a fuzzy yellow/orange line, otherwise everything else is clear and crisp. I had trouble with stray light but that went away with a towel on my head.

    TV 5 mm Radian vs no-name 5 mm long eye relief from SW: This was on Jupiter. (Eye floaters were pretty obvious when looking at the moon.) Well if ever I want another short EP I'll be getting a Radian. Not a very wide field of view but for what I want it for that doesn't matter. Clear and crisp to the edge. Moons were very well defined. This one came with a 'pupil locator' but I liked the EP better without it. The sliding eyecup was not a problem. Background field had lots of contrast and appeared darker than with the other EP. Stars were pinpoint to the edge. Jupiter had subtly more detail as well. I like this one, I'll be looking at doubles next time.

    Conclusion: In my opinion the EP's were money well spent. I'll give them a spin on my 6 inch achromat (AR152) when I get a chance. The ES's (18 and 35) should be a treat on my SW 8 inch dob as well.

    Turns out that the step from 34 to 18 is a pretty big one. I think I want something in the 24 mm range. For me the choices so far are: ES 25 mm 100 deg, ES 24 mm 82 deg, TV 24 mm Panoptic or Delos, or TV 25 mm Nagler. Choices choices, how to pick? The Nagler is a no-brainer but the others are pretty fine as well. The prices of the ES's are attractive but the TV's can be affordable second-hand.
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