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  1. #1
    Nobylspoon's Avatar
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    Default Considering a couple Explore Scientific EPs



    I just got my XT8 today (first telescope) which included a 25mm EP and a 2x Barlow. I have a little more money set aside for eyepieces and I am thinking about taking advantage of the current (long running) sale at Explore Scientific.

    I have been looking at the 82 series but haven't fully ruled out the 100's. I believe my stock EP is a 50 so either will be a huge upgrade in FOV.

    I think the 14mm would be a good choice. With the Barlow, 7mm would be just about maxing what I can use (if my understanding of various threads on the topic are correct).

    I still have enough for another one but not really sure which other I should purchase. Any suggestions?

    Thanks all!

  2. #2
    randyroy's Avatar
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    I have the complete set of ES82s and couldn't be more delighted with them. I use them with my CPC800 and 10" Dob. They are an incredible value.

    Randy

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    Default

    I have the 14mm ES 82 degree also & enjoy really sharp images. A lower mag EP might be nice to add. I have a 31mm Baader Hyperion, and don't know about the ES lower mag EP's, but in general I use my low mag EP's more than anything else in my EP case.
    Portaball 12.5" f/4.8,
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    XT8, Lunt 60mm PT 1200BF, SV102ED f/6.95 my newest acquisition. 27mm Panoptic, 31mm Baader Hyperion Aspheric, 19mm Panoptic, 14mm 82* ES, 9mm 100* ES, 9mm Nagler, 3-6mm Nagler Zoom, OIII Lumicon, NPB Filter & H-beta Filter, 7X50 Nikon Action Extreme Binocular, 15X70 Oberwerk, no more room in the garage...

  4. #4
    Guest234's Avatar
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    Default

    I've got several in their 82deg series - 6.7, 11,18,30mm...and the 9mm 100deg. I like them very much. I can only really compare them to stock eyepieces that came in my Celestron and Orion scopes, and these are far superior. I cannot comment on how they compare to higher end eyepieces myself.
    I feel they are a very good value, excellent build quality, and fine optics. I truly believe that you can spend more money, but the laws of dimishing returns applies and there aren't necessarily great gains for the (potentially) double the money spent.
    Celestron CPC 925 GPS, Explore Scientific eyepieces, WO Dielectric Diagonal, JMI EV1 Focuser, Bob's Knobs

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    XT8i w/Moonlite Focuser, Bob's Knobs
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    Default

    As has been said here, the ES eyepieces are a good value. I had the 6.7mm for a bit but had to return it due to a defect. I used it just as much as my Ethos 13mm. Sharp to the edge with a nice black background.
    As for the long running sale at ES, I've read it will be over at the end of February. I visited Canadian Telescopes last night and noticed their prices across the ES line have taken a huge jump. The 4.7mm and 6.7mm are now in the $170-$175 range. I haven't seen this on other sites...hopefully its just a CT thing.
    !6" F/3.8 under construction
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  6. #6
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    Default

    The ES-82 line up includes 30mm, 24mm, 18mm, 14mm, 11mm, 8.8mm, 6.7mm and 4.7mm.

    I will come back to your question in a minute.

    There are two well considered collections:
    A) 30mm, 24mm, 18mm and a 2X Barlow which gives you 15mm, 12mm, and 9mm.
    B) 30mm, 18mm, 11mm and a 2X Barlow which gives you 15mm, 9mm, and 5.5mm.
    {I generally advise a 2/3 steping ratio between EPs, however ES-82 does not contain a 20mm varient in -82dFoV form but does in 100dFoV form. so given you might also consider 100 dFoV EPs:}
    C) 30mm82, 20mm100, 14mm100, and a 2X Barlow which gives you 10mm100 and 7mm100.

    All three scenarios are complete and wonderful collections of EPs.

    Since you already have a 25mm you might consider replacing it last. However, I would not hold onto that small FoV EP very long, since some of the most amazing views you will ever see will come from a Nagler-width FoV at low power.

    After collecting one of the above collections, you may find it useful to augment the collectionwith carefully considered EPs at the higher end of the focallenght scale for those nights where the atmosphere will allow a 9mm but not an 8mm.

  7. #7
    bassplayer142's Avatar
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    Default

    I have the 8.8mm for my xt8. Highly recommended on planetary viewing!

  8. #8
    OleCuss's Avatar
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    Default

    I have the 14mm 100 degree ES. I can't put the thing in my XT8 focuser tube and get it to focus. I have to pull the eyepiece out a bit, then tighten it down and focus. Works great then!

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    XX12G and XT8; 10 inch LX200GPS;
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    8SE; Tele Vue NP-101is (Petzval apochromat); Meade LS-8; WO GT-71; AVX and Losmandy G-11 mounts.

  9. #9
    DB9's Avatar
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    Default

    I have the ES 82 in 24mm, 14mm and 6.7mm. I would recommend the 24mm (or larger). The 24mm is great for everything and when paired with a barlow can give you a lot of flexibility.

    Clear skies!
    DB9

    Zhumell Z10
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    Explore Scientific 82 degree 24, 14, 8.8, 6.7 & 4.7mm EP, Zhumell 2" Variable Polarizing Filter,Telrad, Celestron 15X70 binoculars, Astro Chair Observing Chair, Hotech laser collimator, Wixey

  10. #10
    DB9's Avatar
    DB9
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    I have the ES 82 in 24mm, 14mm and 6.7mm. I would recommend the 24mm (or larger). The 24mm is great for everything and when paired with a barlow can give you a lot of flexibility.

    Clear skies!
    DB9

    Zhumell Z10
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    Explore Scientific 82 degree 24, 14, 8.8, 6.7 & 4.7mm EP, Zhumell 2" Variable Polarizing Filter,Telrad, Celestron 15X70 binoculars, Astro Chair Observing Chair, Hotech laser collimator, Wixey

 

 
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