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  1. #11
    KathyNS's Avatar
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    Quote Originally Posted by michael_wazowski View Post
    A general internet search for this product will show the same thing no matter what site you go to. Here is a link to a page with the item in question: Meade - #905 Variable Polarizer - 07286 - OPT Telescopes This page does, however, give a me more information that previous ones: "Cons: cannot focus when using filter with a refractor telescope without using a Barlow lens."
    OK, I see the problem. That particular unit is a non-standard filter system that lengthens the optical path.

    Standard filters do not come in a long tube like that. They are simple flat disks of glass with a ring that screws into the barrel end of an eyepiece. The problem is not a generic problem with filters or even with polarizing filters. It is just that particular unit.

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    DSO AP: Orion 200mm f/4 Newtonian Astrograph; ATIK 383L+; EFW2 filter wheel; Astrodon Ha,LRGB filters; KWIQ/QHY5 guide scope; Planetary AP: Celestron C-11; ZWO ASI120MC; Portable: Celestron C-8 on HEQ5 pro; C-90 on wedge; 20x80 binos; Etc: Canon 350D; Various EPs, etc. Obs: 8' Exploradome; iOptron CEM60 (pier);
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    atomboy (04-30-2012),CalanRoupe (04-18-2012),michael_wazowski (04-18-2012)

  3. #12
    michael_wazowski's Avatar
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    Fantastic! Thank you for clarifying that, KiethBC!

    Now i am excited! Both for the answer being beneficial and that i just recieved and assembled the scope. If i add one more post past this one and i can upload pictures! LoL

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    Celestron AstroMaster 114 EQ Newtonian [ 4.5" Bird-Jones Reflector on an Equitorial Mount, with added Celestron Motor Drive, and Celestron Star Pointer Finderscope. ]

  4. #13
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    I was going to say, I've seen no problem with filters on my AM114 - and plenty of space to stack (if I had any reason to). Thanks Keith.

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    114 EQ (it's a Bird-Jones) 1000mm; Celestron 20mm and 10mm EP; Zhumell 32mm, 12.5mm, 6mm, 4mm EP, and Lens Filter Kit; Zhumell x2 and Meade 3x
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    ; Celestron Motor Drive and TelRad Finder

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    of my AM114 - set up,
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    with a B-J)

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  6. #14
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    Quote Originally Posted by michael_wazowski View Post
    A general internet search for this product will show the same thing no matter what site you go to. Here is a link to a page with the item in question: Meade - #905 Variable Polarizer - 07286 - OPT Telescopes This page does, however, give a me more information that previous ones: "Cons: cannot focus when using filter with a refractor telescope without using a Barlow lens."
    "Cons: cannot focus when using filter with a refractor telescope without using a Barlow lens." AM114 EQ is not a refractor but a reflector.
    Lunt LS80T, Meade LXD75, C8 Advance VX, C8 on CGEM, WO Megrez 90mm, Celestron CG5ASGT,William Optics 71MM refractor. Celestron Sky Master,
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  7. #15
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    Before you go and buy more equipment,try using what you have. I do recommend you download Stellarium and install that to help you decide what to view. When choosing object in Stellarium to look at, I suggest sticking to object that are magnitude 5 or brighter to start with (magnitudes are brighter as the number is less, so magnitude 1 is brighter than magnitude 5). Those objects will be fairly easy to see provided you can locate them. Also, the planets, especially Saturn, make nice observing targets.

  8. #16
    michael_wazowski's Avatar
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    Thank you all for your continued replies. It has taken me a little bit to get used to some of the lingo, but the science is mostly understood already.

    I have been using Stellarium for years (since 2007 if i remember) to target what-is-what in the night sky. I have tried other software and have found this program, over all others (for me), to be superior. Perhaps it's just that i am use to it?

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    Celestron AstroMaster 114 EQ Newtonian [ 4.5" Bird-Jones Reflector on an Equitorial Mount, with added Celestron Motor Drive, and Celestron Star Pointer Finderscope. ]

  9. #17
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    Micheal,

    You need not concern yourself with filters. The only filter you may need is a moon filter. The polarizing filter will work for this. A fringe Killer filter is used to eliminate CA in achromatic refractor telescopes. You don't have that problem with a reflector, therefore a fringe killer filter is not needed. As far as the focusing problems are concerned, the Celestron AstroMaster 114EQ does not have the focusing problems of some Newtonian telescopes. Also, a diagonal is not used with Newtonian telescopes. If you do have a focusing problem, lack of back travel usually, all you need do is to add an extension tube. If you want to improve your viewing you will need to get some good quality eyepieces. You may want to wait for a while and get to know your scope first and then decide which eyepieces you want. Be patient and take your time to get to know things before you spend your money on something you don't really need.

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    ST80
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  11. #18
    jack eusa's Avatar
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    I use an old piano stool--4 legged that you spin the seat for up and down. Works great with my 8in dob-----course Im a redneck lol

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  13. #19
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    Red neck or not, that is a great idea for ones bottom.. I mean comfort.

 

 
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