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  1. #1
    cyberl1's Avatar
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    Default What should I buy first?



    New to the forum. I got a Celestron C4 for Christmas.
    4" Refractor
    Aperature 102 mm
    Focal Length 1000 mm
    Focal Ratio 9.8

    It came with one 20mm eyepiece (50x).

    The views so far have been amazing. Being new I see alot of choices in the market from cheap eyepiece kits to over the top priced eyepieces.

    Any thoughts on what should be my first eyepiece/or barlow lens to buy. I'm not worried about going cheap but I certainly don't want to spend my kids college fund.

    What an amazing hobby this will be.

  2. #2
    SRE TUS's Avatar
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    Default

    Quote Originally Posted by cyberl1 View Post
    New to the forum. I got a Celestron C4 for Christmas.
    4" Refractor
    Aperature 102 mm
    Focal Length 1000 mm
    Focal Ratio 9.8

    It came with one 20mm eyepiece (50x).

    The views so far have been amazing. Being new I see alot of choices in the market from cheap eyepiece kits to over the top priced eyepieces.

    Any thoughts on what should be my first eyepiece/or barlow lens to buy. I'm not worried about going cheap but I certainly don't want to spend my kids college fund.

    What an amazing hobby this will be.
    Hey cyberl1,

    I have just recently gotten into astronomy and have an Orion 90mm scope. Since mine was a hand-me-down from my Father-In-Law, it did not come with any eye pieces. I went to my local Astronomy store and they recommended the Celestron X-Cel 25mm and 10mm EP. So far I love them both. I am now looking at either a Barlow or a 5mm EP. I do not have any filters yet, but am leaning towards a variable polarizing filter. The other purchase that I have made that is fantastic is the Telrad unit for spotting. It has made life so much easier.
    Enjoy...
    Steve
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    8SE,
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    Skyview 90mm, Skymaster 15 X 70 Bino's
    Celestron X-Cel 25mm, 10mm, Omni 32mm Plössl
    Celestron Ultima 2X Barlow
    Telrad
    Panasonic Lumix DMC-FZ8 12X Opt Zoom

  3. #3
    WWPierre's Avatar
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    Default

    Welcome to the forum, both of you.

    Cyberl1, The first thing you should get is a barlow. $50 or so is enough to pay. From what I can see, a barlow is pretty much a barlow, unless you start getting into coma correctors and field flattening ones which are pricey.

    As for eyepieces, I am a zoom rooter. I have a Celestron, which I love, but If I had it to do over, I would spend a bit more on the Baader Hyperion Clickstop
    Meade 16" LightBridge; Celestron G-8N Bird-Jones/motorized EQ5; Orion 127 Mak/go-to EQ5; Burgess 127f8 refractor; Sky-Watcher 5" F/5 collapsible dob; 90mm Mak/motorized EQ2; Royal Astro 76/910-GEM; Meade 60x700 refractor/alt/az; Zhumell 25x100 Coin Ops; GalilleoScope. Celestron 8mm-24mm zoom; lots of fixed EPs,some good, some..not so much. A small collection of surveying instruments; a forest of tripods; Canon Rebel Xti. Confirmed gadget junkie; Custodian of the Magnetic North Pole (Send $1.00 to Pierre each time you use a compass.)
    49-41-37.03N 123-09-29.61W Calculated magnetic declination: 17° 39' East

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    We have been broadcasting our presence to the Universe for 100 years now. If there is a detachment of Galactic Pest Control within 100 light years, they are already on the way.

  4. #4
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    I suggest try get 2 eyepiece one for long magnification aroun 8-10 mm try EDs for this porpuse and also get a 35-40 mm for DSO observation try look with a good wide field view over 60 grades, this 2 more and your 20 mm and a 2x barlow with give you a good variety of magnifications...

    make your calculation to be on your telescope range magnification and dont exced your exit pupil.

    Orion has a lot of option of low prices and very good performance check reviews of the user in the orion page, ED eyepiece is on 75 usd nice deal...

    Regards
    Antonio
    120mm
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  5. #5
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    Default

    I'd say the highest power you will actually ever be able to use on Good nights would be a 6 mm ( 166x)... which is great on planets and the moon if you want to dig down into some craters...

    I too have a Celestron Zoom that I use on my 100 mm Orion f/6 refractor ...BUT I honestly cant say I reallly like it all thay much...The only time I use it is when I do an outreach event where kids are using the scope...

    But They definitely are cheap...(like 60 bucks) and it would allow you to see what Magnifications you seem to be using all the time.

    At this point its just a tool to learn with and a cheap tool in my opinion... BTW I'd also get a 30 mm for low power views....

    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.

  6. #6
    cyberl1's Avatar
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    Default

    Thanks for the info.

  7. #7
    afigueroa's Avatar
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    Default

    Quote Originally Posted by WWPierre View Post
    As for eyepieces, I am a zoom rooter. I have a Celestron, which I love, but If I had it to do over, I would spend a bit more on the Baader Hyperion Clickstop

    if you want spent money just one time I suggest Baader Hyperion zoom 1-24 in this threat i punt the link where tu buy it..

    Baader Hyperion Zoom info

    is an ED eyepiece with different size.. this one plus a barlow ... you will have a big repertory ... its cost 215 us

    regards
    antonio
    120mm
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  8. #8
    ibase's Avatar
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    Default

    Will 3rd the recommendation to get the Hyperion 8-24mm zoom. It may be a bit pricey but it's performance is comparable to premium single focal length eyepieces. It works very well with my 4" refractor and barlows well too. I've tried it with the Celestron 2x Omni barlow and also with the Televue 2x barlow and it's just great!

    Best,

    Hernnado

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    Default

    102 mm, f/10 refractor telescope and a 20 mm eyepiece.

    I have two f/10 SCTs, one with a 102 mm aperture and the other at 150 mm. I also have a nice set of eyepieces (40, 32, 25, 20, 17, 12.4, 9, and 6 mm) and a 2x barlow that I've collected over the years. Of that bunch, I use the 32 and 12.4 mm eyepieces most of the time. The rest are essentially dust collectors. Once in a while, for planets, I dig out the 9 mm eyepiece and a few times when the seeing is super and if Jupiter, Saturn, or Mars is ideally located, I use the 6 mm eyepiece .... an event that does not happen very often.

    It seems to me that a 32 mm eyepiece and a 2x barlow will give you a nice spread of viewing capabilities, the equivalent of having the following range of eyepieces (32mm, 20 mm, 16 mm, and 10 mm). This spread is probably all you need 90% of the time. You can add a 12.4 mm eyepiece now or later which with the 2x barlow will also add the equivilent of a 6.2mm to your collection ... essentially covering the operating range of your scope. While it is true that a zoom lens will provide most of that spread, it leaves the 32 mm area out which, in my opinion, is a serious ommission. With a f/10 scope, the wider field of view provided by a 32mm eyepiece is very nice to have for viewing many deep space objects. Another advantage that using a barlow eyepiece combination is that for higher magnifications, it keeps the eye relief of the lower power eyepiece .... making for more comfortable viewing conditions.
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  11. #10
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    I will also chip in with suggesting the Hyperion 8-24mm Click Zoom, along with a Barlow. This will get you to 125x magnification without a barlow and 250x with a 2x barlow.

    And you don't have to worry about constantly changing eyepieces and it is easy to find the best magnification for the night's viewing.

    Then I would suggest a low power, wide field of view eyepiece. I use a 2" Siebert Observatory 36mm eyepiece which gives me gorgeous wide field views. In my scope it gives me 33x, in your scope it would give you 27x. Or you could get a 34mm for 29x.

    They sell for $199 new, but you can sometimes pick them up for $125-$150 used.
    Garland Coulson
    --------------------
    President, Nanaimo Astronomy Society
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