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  1. #1
    redlined_b16a's Avatar
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    Default A budget 2" eyepiece



    I have about a $150 budget to buy a good 2" ep,something around an 18-24mm,

    The cheapest I come across that looks quality is an 18mm explore scientific and its in my pricerange.

    If you had to chose one 2" ep for plantes,nebula and dso's for a 10" meade lx200 classic what piece(size) would you choose and why?

    would getting an 18mm over a 24mm be foolish?
    A 2" zoom would be sweet....and heavy lol

  2. #2
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    Default

    I would buy one of the Meade QX 30mm and a decent ED barlow ..That way you have a decent 30mm wide field EP (68 degree) and when used with a 2x barlow you would have a 15mm with great eyerelief ..It would keep you within your budget and you would have a barlow to use with your other EP's ..
    16in Night sky
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    F4.5 , 90mm refractor 500mm FL , 7in LX200 classic Big-mac , Meade eye pieces with a few odd balls thrown in ...
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    tmohr (01-06-2012)

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    Default

    I just received an ES 100° 20mm EP. The build quality is excellent.
    -John
    Discovery 17.5 PDHQ F4.1; AT72ED F6; AR102 F6.5; AT152 F5.9; Meade 10-ACF; AT8RC F8; C6A-XLT F10; AT12IN F4;
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  5. #4
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    Default

    Quote Originally Posted by roverich View Post
    I would buy one of the Meade QX 30mm and a decent ED barlow ..That way you have a decent 30mm wide field EP (68 degree) and when used with a 2x barlow you would have a 15mm with great eyerelief ..It would keep you within your budget and you would have a barlow to use with your other EP's ..
    From my barlow experiance on my 1.25 ep's I really dont care for a barlow

    I will only buy one 2" ep so the barlow can only be used for that one ep,i'll look into though.Im affraid to buy a barlow and use it with the ep only to lose color and clarity like my smaller one does

  6. #5
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    Default

    2in barlows , if good quality dont lose color .. Plus you can use an 2in-1.25in adapter for the barlow and use your 1.25 EP's in it ..But you have to get a decent one ...Look at the newer ED glass ones and fully multicoated ...Like this one .Link > http://agenaastro.com/gso-2-2x-ed-barlow-lens.html
    16in Night sky
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    F4.5 , 90mm refractor 500mm FL , 7in LX200 classic Big-mac , Meade eye pieces with a few odd balls thrown in ...
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    Joe Lalumia (01-06-2012)

  8. #6
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    Default

    I use both a 30mm and 42mm 2 inch GSO Superview all the time on my LX90-- works just fine. You really do not need expensive eyepieces in a slow telescope like the LX200.

    GSO 2" SuperView Eyepiece - 42mm
    ETX 125PE, Stellarvue 80mm BV & Televue TelePod tripod,
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    ..... plus a bunch of ham radios... Ham radio call sign - W1XWX

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    TelescopeMan Web Site

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    search for W1XWX to see my amateur radio web site

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  9. #7
    redlined_b16a's Avatar
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    Default

    all of my ep's are 1.25

    How would you compare the view from a 25mm 1.25 to a 25mm 2"

    also Joe
    How much diffrent is the view from the 30mm to the 42mm

    whats the visual advantage to using a focal reducer
    what does making my scope faster do for me?
    is a focal reducer more suited for AP?

  10. #8
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    Default

    I would be interested to know what kind of 1.25 barlow you have and what what power levels you were viewing when you have tried to use your barlow in the past? Also all 2 inch barlows I have seen on the market lately come with a 2 to 1.25 adapter, the GSO in the link previously listed has compression rings on the barlow and adapter. I believe that my zhumell and the GSO are probably the same barlow. Some 1.25 barlows have a small diameter lens and can cause vignetting, you do not have to worry about that at all when you use a 1.25 eyepiece in a 2 inch barlow. In my experience the 2 inch barlow and adapter hold the eyepieces more securely than a 1.25 barlow.

    At low power levels with say a 40 mm eyepiece it is not the quality of view that changes when you go to a 2 inch eyepiece it is the field of view that increases because of the larger potential size of the field stop. This is probably the only advantage a 2 inch eyepiece has over a 1.25.
    Last edited by ka5eiz; 01-06-2012 at 12:36 PM.

  11. #9
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    Default

    All of my higher power (25 mm and stronger ) are 1.25 inch eyepieces.. BUT all of my 26 mm eyepieces and less powerful are 2 inch eyepieces

    2 inch eyepieces just do not offer no advantages if they are under 25 mm in focal length...especially with a GoTo Sct..

    My 26 mm 30 35 and 40 are all 2 inch eyepieces that I use in my C8 and my C11..26 mm is an Agena eclipse, the 30 is a Pentax XW the 35 a Panoptic and the 40 is a Meade 5000 SWA ...2 cheap or inexpensive the two much more expensive and to be honest they work great .... BUT not much better then the cheaper 26 and 40...

    Why wide angle for for viewing planets ???

    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...
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  12. #10
    sdtopensied's Avatar
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    Default

    Check out russell-optics dot com. Gary Russell makes the eyepieces himself and they're very reasonably priced. I've been very happy with everything I have purchased from him.

    -Steve
    Explore Scientific ED 127 Apochromatic Triplet Refractor
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