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Thread: Zoom Eye piece

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    Default Zoom Eye piece



    I am interested in better views of the planets. The 4Se comes with a 25 mm eye piece.

    Reading around
    Nexstar 4SE: Buying Eyepieces, but do I need filters?
    Zoom Eyepieces - A direct comparison. - Astronomy Forums | Telescope Forums & Reviews | Astronomy Community
    Celestron NexStar 4 (XLT) SE - eye piece


    I like th idea of a zoom as it is easy to flip betweens mag levels, from my research the best options appear to be at reasonable prices, ideally I'd like to spend less than £100:
    SkyWatcher 8-24mm
    Price - £60
    Optics - 88%
    AFOV - 40°-60°
    Positive - No internal reflections
    Negative - Colours muted
    Celestron 8-24mm
    Price - £76
    Optics - 85%
    AFOV - 40°-60°
    Positive - Good Colour rendition
    Negative - Prominent internal reflections

    Meade series 4000 8-24mm
    Price - £126
    Optics - 93%
    AFOV - 40°-55°
    Positive - Excellent Deep Sky views
    Negative - Some internal reflections
    So the option combinations I have come up with after a fair bit of reading

    Opt1
    Celestron 8-24 mm Zoom (£85)
    6mm TMB Designed Planetary (£36) - people have reported success at this high mag

    Opt2
    SkyWatcher 8-24mm (£59)
    6mm TMB Designed Planetary (£36)

    Opt3
    Meade Series 4000 8-24 mm Zoom Eyepiece

    Opt4
    A combination of fixed - not so keen because of the change overs - is the qaulity ging to be that much better
    8mm TMB Designed Planetary (£36),
    18mm BST Explorer (£38),
    32mm Meade Plossl (£42)


    I can see that I am thinking about this too much but what would you recommend remembering I am a beginner with a F/13, zooms are very appealing?




    Any advice appreciated

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    Default

    I use my Zhumell 8/24mm zoom a lot. It is a really nice piece of kit for the price. That being said, a fixed focal length ep will usually out perform a zoom eyepiece. I don't have any TMB eyepieces, but I fully intend on getting a couple. I have used them a couple of times, and they are great on planets. Better than the zoom.

    My zoom gets a LOT of use and it is usually all I need when it comes to magnification, but on certain objects that I plan on spending time with, I would prefer to have a fixed fl ep. Jupiter is one of these objects. I never tire of it because it has so much going on. Eclipses, moon rise/set, GRS, changing cloud belts, just never tire of that one.

    Jim
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    Now where did I put that clear sky button!

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    Default

    Now where did I put that clear sky button!
    Looks like it is under that heavy book on your desktop now.
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    Default

    My only suggestion when looking at zooms, find one that clicks as it goes past each marked magnification. I have a Proxima zoom and sometimes I have to unmount it and look at the indicator to know what power I am viewing something at
    Celestron SE8 - 25mm and 15mm
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    Epic II ED. Baader Hyperion 21 mm 17mm plus 14 and 28mm tunning ring

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    Default

    Depending on your budget, the Baader Hyperion Mk III is an excellent zoom EP. I have one that I use when I am on trips to reduce how much stuff I have to carry with me, but at home I prefer fixed FL EP's. Regarding filters, for planets you don't need them. I've been the route of buying colored filters for planetary observation, as have many here, and I sold mine in fairly short order. I saw little to no enhancement using them. However, for some things like planetary and emission nebulae, and supernova remnants, then filters such as narrowband UHC and O-III can enhance the viewing pleasure. That being said, they aren't required by any means, and are an expense that can be put off for a while. Initially I didn't use my UHC and O-III filters much, but over time I have really come to appreciate what they can do for me.
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    Quote Originally Posted by KT4HX View Post
    Depending on your budget, the Baader Hyperion Mk III is an excellent zoom EP. I have one that I use when I am on trips to reduce how much stuff I have to carry with me, but at home I prefer fixed FL EP's. Regarding filters, for planets you don't need them. I've been the route of buying colored filters for planetary observation, as have many here, and I sold mine in fairly short order. I saw little to no enhancement using them. However, for some things like planetary and emission nebulae, and supernova remnants, then filters such as narrowband UHC and O-III can enhance the viewing pleasure. That being said, they aren't required by any means, and are an expense that can be put off for a while. Initially I didn't use my UHC and O-III filters much, but over time I have really come to appreciate what they can do for me.

    I am only really planning on getting a LPR filter given my house is heavily polluted by light p. So I will need to go out of town to get the best views

    Baader Neodymium Filter

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    Quote Originally Posted by KT4HX View Post
    Depending on your budget, the Baader Hyperion Mk III is an excellent zoom EP. I have one that I use when I am on trips to reduce how much stuff I have to carry with me, but at home I prefer fixed FL EP's. Regarding filters, for planets you don't need them. I've been the route of buying colored filters for planetary observation, as have many here, and I sold mine in fairly short order. I saw little to no enhancement using them. However, for some things like planetary and emission nebulae, and supernova remnants, then filters such as narrowband UHC and O-III can enhance the viewing pleasure. That being said, they aren't required by any means, and are an expense that can be put off for a while. Initially I didn't use my UHC and O-III filters much, but over time I have really come to appreciate what they can do for me.
    The Hyperion 8-24 mm Clickstop Zoom 1.25" MARK III does look good and gets good reviews but given I plan on using it with a F/13 scope do I need something this good - if so I guess I can buy the more expensive item

    But what I want to get a feel for is the Celestron or other .....good enough until I out grow it. I can get 2 TMBs for the price difference.

    The Zoom will hopefully let me learn what mag levels I like (kinda like a set of fixed EP might) but also provides a very simple user experience

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    Quote Originally Posted by MG1962 View Post
    My only suggestion when looking at zooms, find one that clicks as it goes past each marked magnification. I have a Proxima zoom and sometimes I have to unmount it and look at the indicator to know what power I am viewing something at

    Only found them on ebay in the UK?

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    I have the Celestron zoom but eventually upgraded to the Mead zoom in your list - much sharper at the higher magnification than the Celestron. I'm extremely happy with it. I only use the Celestron zoom now when I have both my scopes out at the same time.

    Good luck!

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    Quote Originally Posted by AbbN View Post
    I have the Celestron zoom but eventually upgraded to the Mead zoom in your list - much sharper at the higher magnification than the Celestron. I'm extremely happy with it. I only use the Celestron zoom now when I have both my scopes out at the same time.

    Good luck!
    Thanks given your experience do you wish you had bought the Meade in the first place ......

    From the review I have read http://www.chuckhawks.com/comparison_zoom_eyepieces.htm the Meade does seem better but I don't know what that means for my eye - however
    - it is not Parfocal, does this cause any issue?
    - it has a narrower filed of view?

    Initially I hope to be happy with the 25mm and new zoom. Ideally only really adding better quality EPs or extra mag as I go along but until I know what I am doing I don't want to spend a fortune.
    Last edited by starfish_001; 10-30-2011 at 08:25 PM.

 

 
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