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  1. #1
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    Default Help me pick a TV eyepiece



    Hi.

    I'm looking for a new eyepiece to complement my Meade 28mm Series 5000 and my Baader Hyperion Zoom. I'm looking for something in the 9-12 mm range.

    Mostly used with my 100 mm SkyWatcher.

    Any advice?

    Thanks

  2. #2
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    Default

    Do you already have a barlow? If not, I think it would be worth considering. Isn't your Baader Hyperion Zoom 8-24mm? If it is, just wondering why you are looking at a 9-12mm EP. I know personally my next EP will be a low mag wide FOV. Haven't researched my best choices yet, I'll be asking here when the time comes. Well, you asked for our two cents, there's mine. Good luck on your choice.
    Mike
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    Skywatcher ED120 Refractor (fl=900mm - f/7.5) on an EQ5 mount, Zhumell Z-10
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  3. #3
    markan's Avatar
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    Default

    I like my zoom, but I'm hoping to get something with a wider FOV

  4. #4
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    Default

    Take a look at Harry Siebert's 70 degree Ultras in that range. I haven't seen a shootout between his EPs and TeleView, but he claims they compare favourably and I haven't run across any arguments. I have his 30mm Ultra for minimum magnification for my dob, and it is my favorite eyepiece for starfields and large clusters. It is also the best eyepiece I have for my long slow mak.

    He turns them out in his backyard shop in rural North Carolina.
    Last edited by WWPierre; 02-21-2010 at 06:25 AM.
    Meade 16" LightBridge; Celestron G-8N Bird-Jones/motorized EQ5;
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    Default

    The Meade 5000 SWA (super wide angle) eyepieces are currently on sale for HALF PRICE... and most Vendors ship to Canada ... I picked up two with free shipping from ADORAMA ...

    Extremely hard to beat these prices...much losew then The Baader Hyperions and Orion Stratus and a slightly better eyepiece (my opinion)

    HOWEVER... not knowing what scope you are using...I personally do not understand replacing the Baader Zoom...kind of like painting over a wall papered wall.. or covering a dollar bill with another ... A Barlow would be on my list for sure...

    Bob G
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  6. #6
    markan's Avatar
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    Default

    I'm keeping my Meade and zoom. I want an eyepiece that I can use for variable star observations. Something I can use with AAVSO charts. The Meade 28mm gives me about a 2' true field of view. I'm thinking I'd get one of the TV Nagler types to give a 1' true FOV.

    I guess the choices come down to the following 3. Each would give me ~1' true FOV. I don't really know much about the Nagler eyepiece, so I don't really know which type would be better for variable star observations.

    TV Nagler4 12mm

    TV Nagler6 11mm
    TV Nagler6 13mm

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    If this helps, this is an AAVSO chart that I use. It's why I'm concerned about true FOV. When star hopping to find a particular star, it helps a lot to know the FOV of the eyepiece. I guess I'm wondering which type of Nagler is better for this type of activity.


    AAVSO Chart T Cas

  8. #8
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    Default

    Hi Markan,

    I'll try to answer your question directly.

    I own several Naglers because of the 82 degree FOV--so I understand where you are coming from regarding wanting to get a wide image with the best quality possible.

    I only own one of the EP's you mention, the 13mm T6 and I do use it for multiple star work but cant comment on its use for variable stars because I havent observed any to date.

    The 13m is really nice and I use it quite a bit in both my 15" and 8" reflectors for lots of objects. I have obtained some very nice pinpoint stellar images with it--splits of the tighter doubles in the Lyra double double and seeing Trapezium E and F (both obs at 92x) using a 8" reflector come to mind as moments that made me smile.

    I am thinking the newer type 6 designs may be an improvement over the type 4's--so that is something to think about.

    I found this site helpful RE: one stop quick look at performance of lots of different ep's (including older and newer Naglers): Eyepieces various reviewed


    I'll refrain from offering suggestion of other eyepieces to consider out of respect to your original query and the effort you have likely put forth researching the EP's you have selected.
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    Instruments: Obsession 15" Dob; Orion XT8i; 2" refractor (Galileoscope); Televue EP arsenal; Bushnell 7X50 binos
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