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Thread: National geographic vs celestron

  1. #1
    Kevin Benjamin's Avatar
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    Post National geographic vs celestron



    Hello All,
    Im 27, always had an interest to look on to objects that are beyond earth. I wanted to get a telescope, i have 2 choices

    1) National Geographic Series Telescope 60/700mm which is a second hand comes around 20$
    2) Celestron PowerSeeker 50 AZ Refractor Telescope which comes around 40$.
    As a beginner in exploring which shall i get?

    Thank you!
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    Default Re: National geographic vs celestron

    The larger aperture is always a plus, the problem with these telescopes is that they come with very poor mounts that can lead to a lot of frustration when starting out.
    If I had to pick one over the other I would go for the 60mm but with the understanding it will probably be a bit shaky on that mount.
    Refractors: Antares 105 f/15, Bresser 102XL f/13.2, Celestron 102 f/6.5, 2-150 f/8, Stellarvue NHNG 80 f/6.9, TAL 100RS f/10, TS 102 f/11, Vixen SD115s f/7.7
    Mounts: Manfrotto 055PRO, Celestron SLT, Celestron CG-5/ Argo Navis, Vixen SXP Binoculars: Celestron Eyepieces: A-Z

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    The weakest link in the optical chain is the large nut located directly behind the eyepiece/ camera. - Gabrielle
    Ya gotta keep this Apo/Achro thing in some balance of perspective. Apos are awesome, but long focus Achros aren't that far behind them - Siriusandthepup (CN)

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    Ozman13's Avatar
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    Default Re: National geographic vs celestron

    Welcome to the forum!!

    Personally at this price and concerning these scopes, I would suggest getting a set of binoculars. Don't disregard these. Every astronomer needs a pair of binoculars. They will show/teach you a TON of stuff, are the ultimate in portability, useful no matter what scope/scopes you have, useful during the day, and are FUN!! Not to mention that they will show you more DSOs than either scope you are considering and viewing with both eyes is more comfortable. I own many scopes and many binoculars, most of my observing (by FAR) is done with binoculars.

    https://www.harborfreight.com/10-x-5...ars-94527.html
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    LX200 ACF 8"SCT, Apertura AD12, Celestron C6A SCT, SkyWatcher 120, ES 102CF Apo triplet, ES AR102, ST100, ST90, Apex 90mm Mak, ST80, ETX60, Oberwerk 25x100s, 15x70s, 8x56s, Kasai 2.3x40s, Celestron AVX, CG4, SLT, LCM, Obie HD Parallel Bino mount, Canon T5, Meade DSI2 Pro, Phillips cam, Explore Scientific 30mm, 24mm, 18mm, 14mm, 11mm, 8.8mm, 6.7mm 82 degree EPs, ES 24mm, 20mm, 16mm 68 degree EPs, Baader 9mm Ortho, Meade 5000 SWA EP set, many more various EPs, Baader Moon&SkyGlow, FringeKiller, SemiApo filters, Celestron UHC, Meade 4000 Nebular Filter, Kson OIII, DGM NPB and lots of astro stuff.

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    Default Re: National geographic vs celestron

    While I agree 100% with Ozman's recommendation of binoculars, I understand the attraction of a telescope. Scopes like the ones you mentioned are advertised as providing magnifications "hundreds of time greater than the naked eye!" But this is misleading. The maximum useful magnification of a scope is generally given as 50x-60x the aperture in inches. 50mm is about 2 inches, so that would be 120x at most.

    But that will only be possible on those RARE nights of exceptional seeing, when there is little turbulence in the atmosphere. A much more practical limit would be 25x-30x. With this scope that would be at most 60x.

    The 50mm Celestron comes with three eyepieces and a 3x Barlow. With a focal length of 600mm, the 20mm EP will give you 30x, the 12mm 50x, and the 4mm 150x. With the 3x Barlow, the 20mm will give you 90x, the 12mm will give 150x, and the 4, 300x.

    So only the 20mm and the 12mm without the Barlow, are going to be of much use at all. Those higher magnifications are only theoretical numbers; you will not get any kind of good view at those powers with this scope. Objects will be dim and blurry. Bigger, yes, but way too dim and blurry to provide any detail.

    And as Gabby said, the mount/tripod is going to be pretty weebly-wobbly.

    So are those scope useless? No, I won't say that. Someone with a very keen interest and a lot of determination can always get something from even the cheapest equipment. But many people have been discouraged by starting out with a wobbly, inexpensive scope that in no way lives up to the expectations created by what I consider deceptive marketing.

    What I would suggest is to get the Harbor Freight Binoculars and perhaps a planosphere, download Stellarium (it's free!) and start learning the night sky. Save up for a better scope, and in the meantime, keep your eye on craigslist and shopgoodwill.com!
    Mary

    Scopes: Vixen VMC200L, D=200mm, F=1950, f/9.75; Televue 2" Everbright diagonal. Coronado PST; AstroTech EDT 80mm, F=480, f/6. Mount: Vixen SXW/Starbook (original). Tripod SXG-HAL130. Eyepieces: Televue: 55mm Plossl, 22mm Panoptic, 17.3mm Delos, 13mm Nagler, circa 1980, 11mm Plossl, 7mm; Meade 15mm Super Plossl; VERNONSCOPE 2.4X BARLOW. Binoculars: Leica 8x32 Trinovids, circa 1997; Orion Megaview 20x80, Orion Paragon Plus binocular mount.

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    Kevin Benjamin's Avatar
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    Default Re: National geographic vs celestron

    I already have this Binoculars
    https://www.amazon.com/Bushnell-Falc...ell+binoculars.

    Can you tell me any good scopes under 50$ for starter thats my budget as of now.

    Hi Voyageur - this planosphere is it good to go?
    https://protelescope.com/index.php/c...sky-cardboard/

    Thank you so much.
    Last edited by Kevin Benjamin; 02-12-2018 at 07:24 PM.

  6. #6
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    Default Re: National geographic vs celestron

    The binoculars you have should do very well for you. I just wouldn't spend the money now on one of those (or any) <$50 scopes. I would save that money and continue to save for a decent starter scope. Scopes at this level are all going to be of very poor quality and with a little more spent up front, you can get a much better performing scope.
    LX200 ACF 8"SCT, Apertura AD12, Celestron C6A SCT, SkyWatcher 120, ES 102CF Apo triplet, ES AR102, ST100, ST90, Apex 90mm Mak, ST80, ETX60, Oberwerk 25x100s, 15x70s, 8x56s, Kasai 2.3x40s, Celestron AVX, CG4, SLT, LCM, Obie HD Parallel Bino mount, Canon T5, Meade DSI2 Pro, Phillips cam, Explore Scientific 30mm, 24mm, 18mm, 14mm, 11mm, 8.8mm, 6.7mm 82 degree EPs, ES 24mm, 20mm, 16mm 68 degree EPs, Baader 9mm Ortho, Meade 5000 SWA EP set, many more various EPs, Baader Moon&SkyGlow, FringeKiller, SemiApo filters, Celestron UHC, Meade 4000 Nebular Filter, Kson OIII, DGM NPB and lots of astro stuff.

  7. #7
    Kevin Benjamin's Avatar
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    Default Re: National geographic vs celestron

    Okay Ozman i will save my money right now. What are the starter scopes and how much would it cost?

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    Default Re: National geographic vs celestron

    Hi Kevin,

    Looks like a good straightforward planosphere to me. And very affordable.

    My friend George has the same binoculars as yours, and they will serve you very well, a good choice!

    I'm sorry, but I can't really recommend any scopes for under $50 (new). If you are able to save maybe $150, there are some decent options.

    In the meantime, you can really learn a lot with those binoculars. There are a number of DSOs that can easily be found with them. Some DSOs look better in wide field binoculars than at very high powers. Are you familiar with the Messier objects? This is a catalog of just over 100 objects like galaxies, star clusters, and nebulae. M45, the Pleiades open cluster, is beautiful in binoculars. M42, the Orion Nebula and M31, the Andromeda Galaxy, are both a good sight in binoculars. You will be able to see Jupiter as a small disk, along with its 4 bright Galilean moons, which will look like stars, but will be in a line with the planet.

    My small binos are only 8x, but I like to view many of the Messier objects with them and with an 80mm refractor. . I get good views at 20-30x with the 80mm using a 22mm and a 17mm EP.

    As you progress, I think you will eventually move up to a larger-aperture scope, maybe something like an 8" Dobsonian, but if you simply can't afford one for awhile, there is still so much to see and enjoy.

    Mary
    Mary

    Scopes: Vixen VMC200L, D=200mm, F=1950, f/9.75; Televue 2" Everbright diagonal. Coronado PST; AstroTech EDT 80mm, F=480, f/6. Mount: Vixen SXW/Starbook (original). Tripod SXG-HAL130. Eyepieces: Televue: 55mm Plossl, 22mm Panoptic, 17.3mm Delos, 13mm Nagler, circa 1980, 11mm Plossl, 7mm; Meade 15mm Super Plossl; VERNONSCOPE 2.4X BARLOW. Binoculars: Leica 8x32 Trinovids, circa 1997; Orion Megaview 20x80, Orion Paragon Plus binocular mount.

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    Default Re: National geographic vs celestron

    You can also check on Craigslist, Kijiji and the Goodwill website, there have been quite a few good telescopes purchased from these for excellent prices.
    If you see something and need some advice just come back and ask questions
    Refractors: Antares 105 f/15, Bresser 102XL f/13.2, Celestron 102 f/6.5, 2-150 f/8, Stellarvue NHNG 80 f/6.9, TAL 100RS f/10, TS 102 f/11, Vixen SD115s f/7.7
    Mounts: Manfrotto 055PRO, Celestron SLT, Celestron CG-5/ Argo Navis, Vixen SXP Binoculars: Celestron Eyepieces: A-Z

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    The weakest link in the optical chain is the large nut located directly behind the eyepiece/ camera. - Gabrielle
    Ya gotta keep this Apo/Achro thing in some balance of perspective. Apos are awesome, but long focus Achros aren't that far behind them - Siriusandthepup (CN)

    To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.

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    Kevin Benjamin's Avatar
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    Default Re: National geographic vs celestron

    Hey Voyageur, im completely new to Astronomy( Messier objects as well). I was looking for telescopes from past one month was confused whether to buy or get some suggestions first. I will start my progress from this. Suggest me some basic links for my start.

 

 
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