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  1. #1
    PromisedLand84's Avatar
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    Default 8SE and Eyepieces



    Just a little curious...

    What kind of eyepieces do you fine folk use with your Celestrons? Unfortunately, my uncle let me borrow his old Celestron Ultima 12.5mm and now I MUST have something nice of my own.

    I've already invested in a Tele Vue 2x Barlow and a Meade 5000 Series 82deg UWA. I haven't had a chance to test them yet, as these pesky clouds won't take a hint and leave.
    Celestron 8SE w/ GPS - aka, "Valentia"

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  2. #2
    Joe Lalumia's Avatar
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    Default

    What focal length is the Meade 5000?

    and generally you do not need to spend big money on that SCT which is considered a "slow" telescope. Plossls and mid priced eyepieces like the Meade 5000 series and the Hyperions will work just fine.
    ETX 125PE, Stellarvue 80mm BV & Televue TelePod tripod,
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  3. #3
    PromisedLand84's Avatar
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    Default

    It's 18mm.

    I've been looking to get one of those Explore Scientific 100degree ones at some point. Would you recommend that?
    Celestron 8SE w/ GPS - aka, "Valentia"

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  4. #4
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    Default

    Promisedland

    For the second time today I have to come in behind Joe Lulumia and agree with him guess I gotta get out of bed a little earlier... lol

    In a slow scope you can get away with eyepieces that are not expensive...BUT I expect that the Meade ULTRA wide angle 5000 (82 degree fov) may have a little bit of problems out near the edge of the FOV...

    so just how well does the 82 degree FOV Meade work... ????? and you did not answer Joe as to what FL eyepiece it was...

    I know my 34 and 40 mm Meade 5000 SUPER wide angle (68 degree) that I use mainly for outreach events where that are plenty of kids sure have a little bit of elongated stars out at the edge of the FOV so an 82 degree eyepiece from the same manufacturers series is bound to have some also...

    I have no idea who actually makes Explore Scientific eyepieces (or telescopes for that matter BUT the company is relatively new and is owned and run by the guy who used to run Meade before the accountants took over and started making the decisions...... so I would assume his (ES) "stuff" is actually made by some good "vendors" their 100 degree eyepiece should work at worst "ok" in your scope but again I wqould expect some elongation along the edge of the FOV...

    Unfortunately I find 82 degree eyepieces too uncomfortable to use so I sold my Naglers and dropped down to super wide field eyepieces (68-70 degree) which just give me a more relaxing view... so I personally would never even think of a buying a eyepiece with a 100 degree FOV...

    Bob G.
    CPC1100 housed in a slotted domed observatory (Exploradome) 4 and 5 inch refractors for use from the lawn, a 8" Sct (NS 8i) for star parties...
    I Hate the winter so I use heated Motorcycle clothing to stay warm while observing in winter
    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.

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  6. #5
    Joe Lalumia's Avatar
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    Default

    As Bob says you do not need expensive eyepieces-- in that slow telescope-- once you get in the 65 degree field of view range with say more than 15mm of eye relief -- it's plenty good enough --- check out the low cost GSO Superview line of eyepieces here:

    Search results for: 'gso superview'
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    Default

    I think your investment in an 18mm UWA was a wise one. It's close to the "optimum" exit pupil of 2.0mm for our f/10 scopes. My most used eyepiece is a 24mm Meade SWA which will give a slightly wider true field of view to your 18mm, but at just 70° instead of 82°.

    I think that 18mm is about as wide as you can go in 1.25" at 82°.

    You'll probably enjoy great general views of the sky in that 18mm, and if you need to zoom in for any planets or other objects, try using your 2x Barlow with the 25mm E-Lux that came with the 8SE. That should give you reasonably high magnification for planets and smaller objects in the sky.

    The best thing to do to put all the wondering to rest is to find a friend and try a bunch of different eyepieces of different focal length, eye relief, and field of view until you figure out what you like!

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  10. #7
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    Default

    "HINT" Hook up with an astronomy club and go to a star party. You can try these eyepieces out in your telescope without having to buy them to see if they work.

    Great advice above btw.

    Jim
    Celestron C9.25. Atlas EQG mount. Canon 500D unmodded, Celestron ST80 guide scope, SSAG, Meade 6.3 FR, Thousand Oaks dew control with Dewnot straps. Zhumell 8/24mm Zoom, 2"Gso Superview 42mm, Meade 2"QX wide angle 30MM, Meade 1.25 EP and filter set. Tasco 10x50 Zhumell 20x80 bino and a few other odds and ends.
    Now where did I put that clear sky button!

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  12. #8
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    Default

    If you want a reasonably low priced low power eyepiece - GTO Proxima 31mm
    Hands On Optics :: Telescopes, Accessories, CCD and Digital Cameras - $89.00

    Astronomy News Articles, Classifieds and Telescope Reviews is a good place for quality used eyepieces. I have had good luck purchasing used eyepieces here.
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  14. #9
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    Default

    Thanks, everyone! I got a clear night last night and was able to use my 18mm Meade 5000 Series UWA for the first time. I was 100.23% pleased with it! The seeing conditions weren't great, though, so I couldn't really tell if there was any distortion around the edges of the FOV. The true test will come this weekend when I hope to get it out to a nicer dark-sky spot than the porch on my roof...
    Celestron 8SE w/ GPS - aka, "Valentia"

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    Default Re: 8SE and Eyepieces

    I personally think that if you do invest in some decent 2" eyepieces, you will have them for a very long time and no matter what telescope(s) you might own in the future (upgrading), your eyepieces will stay with you. So, if you can afford to spend a little more as you build onto your set, you won't have to do it again later. I am a member of an Astronomical Society and it's nice to take my eyepieces to view in larger scopes and I know down the road I will own a much larger scope myself. I currently own a C8 and my 68 degree eyepieces from Explorer Scientific are very nice all the way to the edge. My friend owns a 12" Dob and I get to view a lot through that scope and it's nice having my eyepieces with me. It's just something to think about and another view.

    Clear Skies! I'm out

 

 
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