How to Buy a Telescope : Telescope Buying Guide: Composite Telescopes

| January 17, 2012 | 32 Comments

Composite telescopes have greater focal lengths and more compact designs than standard telescopes. Find out how composite telescopes differ from other telescopes in this free video on home astronomy from a telescope salesperson. Expert: Jesse Sturgeon Bio: Jesse Sturgeon has served as a sales and customer service representative for Anacortes Telescope in Anacortes, Wash. for several years. He enjoys introducing people to the science & art of astronomy. Filmmaker: Curtis Enlow

When buying a telescope, use the focal length and focal ratio to determine the magnification of a telescope. Choose a focal ratio for a telescopes based on the tips in this free video on home astronomy from a telescope salesperson. Expert: Jesse Sturgeon Bio: Jesse Sturgeon has served as a sales and customer service representative for Anacortes Telescope in Anacortes, Wash. for several years. He enjoys introducing people to the science & art of astronomy. Filmmaker: Curtis Enlow

 

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  1. ehandkz says:

    @yush070707 do you mean astrography or astrophotography? because they are two different things

  2. yush070707 says:

    I think it should be mentioned that lx series, or any scope with alt-azimuth mount is not really suitable for astrography. Thismay mislead a customer that’s looking to buy a scope for both viewing and astrography.

    To take proper images a person will need an equatorial mount, which’s a whole different story. I know there are other tutorials for that, I’m just saying that this vid might misslead a begginer astronomer a bit :( and it should be mentioned.

  3. WatchmenDrManhattan says:

    Between this there which should I choice as a beginner?

    Celestron FirstScope, reflector newtonian

    Celestron Travel Scope 70, refractor

    Celestron CLST-C70, Mini Mak Spotting Scope

  4. Dbelenit says:

    i heard that composite telescopes are pretty difficult to use, especially for a beginner. can anyone tell my why this is and what exactly is so difficult to use about them.

  5. homersimpson449 says:

    all for astronomy. telescopes, mounts, accessories, service, know-how

    hoo-germany.de

  6. bharathpv9 says:

    @JustMusikTV It’s the Meade LX90 8″ SC [Schmidt – Cassegrain].Check it out on the website –

  7. BlainePistolle says:

    where can one find random antique telescopes?

  8. JustMusikTV says:

    what is the model number for the meade telescope? does anyone know?

  9. aagl1000 says:

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  10. sewa01 says:

    I watched all the episodes. You’ve done some excellent job here. Many thanks for these explanations; its all very user-friendly.

  11. scottohscott says:

    @animedrawer84 *worthy*

  12. scottohscott says:

    @Antardrews The primary concern is aperture (the size of the primary lens or mirror). Just look for the telescope with the largest aperture you can afford. A dobsonian mounted reflector can often be cost wothy.

  13. jhmoonman says:

    Good video! That’s about what the salesman said, when I bought my 10″ s/c several years ago!

  14. brewerbrian420 says:

    @robotmonkey73 Thanks. I will be checking that out after this post.

  15. robotmonkey73 says:

    @brewerbrian420 You can get an orion skyquest xt4.5 for that much, but I would recommend spending a little more ($280) for the xt6 because 6 inches is just a good size; not too big but still delivers amazing images. I would prefer the xt8 personally but it is more expensive and it’s noticeably larger and heavier. Also, get the Orion LaserMate Deluxe with any reflector because the mirror needs to be collimated often and it makes it easy, it’ll set you back 60 dollars though.

  16. brewerbrian420 says:

    I am looking to buy a telescope. and have around 200-250 to spend. Anyone have any suggestions PM me or reply here. Thanks

  17. animedrawer84 says:

    Hi everyone……..I want to buy a telescope but I don’t know which one I should go for it’s either going to be an Orion atlas 10 or an Orion skyquest xt12….which one should I go for……I want one that will allow me to some deep-sky viewing(galaxies, nebulas etc) I know both of the are able to see the mentioned above but which one is the best one….what’s your reccomendation…..which one would you guys choose

  18. hiian123 says:

    @Driver599 the omni is a good scope! it has a nice large 6 inch aperature but it only has a 750mm focal length so you would need to consider a barlow if you want to see the planets close up! Also you would need to know how to star hop wth the 150 b/c its not a goto!

  19. Antardrews says:

    what is the difference betwen the short tube or long tube telescopes. im a beginner and want to buy a telescope to see the moon and other planets like venus, mars, jupiter and saturn. Will a short tube like the one from the ”Orion ShortTube 80-A Refractor Telescope” be good for me?
    someone answer please

  20. JamachStarcraft says:

    hi , i have a reflecting mirror telescope and i have a 2x barlow as my most magnofide and and 6mm eyepiece as my most magnifide. im trying to find something that will help me with farther objects in space. (i can see jupiter as a bout 3/4 the size of a dime at my most magnifide)

  21. GeorgeChar95 says:

    @imanoob4 everyone wants it! But you can get less costly Eyepieces of the same quality and high field of view like the Celestron Ultima LX or the Skywatcher Super Wide Angle Panaview with 70 degrees FOV and 28mm Eye Relief pretty high and half the price of the Tele Vue. The only tele vue is really worth buying even with that price is the Ethos 110 FOV which is truely amazing.

  22. SaturnAndItsRings says:

    @e3milios wrong

  23. SoumyaSumitra says:

    Hai Sturgeon, I want to construct my first telescope. How would i use achromat of 55 mm diameter, -4000 mm FL (coated). What type of eyepiece will be more better for a astronomical telescope. Give your precious guidance and suggestions. I planed to be within $50

  24. e3milios says:

    Focal ratio is the aperture or I wrong?

  25. BetaSagittarii says:

    @Spraycando Woah! I think you misunderstood! He is saying that an eyepiece will give different magnifications depending on the focal length of the telescope. As the first telescope is 540mm focal length, the equation is 540mm/22mm= 24.5x. The second telescope is 1,000mm/22mm=45.5x. In general, under average sky conditions, the average telescope can only achieve about 25x-30x per inch of aperture. So for the second telescope that equals about a max of 120x, beyond that, images will look smeared.

  26. imanoob4 says:

    I want that Tele Vue

  27. TheMarknz101 says:

    amazing learn t a lot

  28. animedrawer84 says:

    Hi everyone……I want to buy a telescope but I don’t know which one I should go for it’s either going to be an Orion atlas 10 or an Orion skyquest xt12….which one should I go for……I want one that will allow me to some deep-sky viewing(galaxies, nebulas etc) I know both of the are able to see the mentioned above but which one is the best one….what’s your reccomendation…..which one would you guys choose

  29. Jsmith858522 says:

    Thank you guys for making this video series!

  30. Antardrews says:

    im a beginner and want to buy a telescope. i’ ve been watching some telescopes and i liked the ”Orion ShortTube 80-A Refractor Telescope”. what i want is to look the moon and some other planets like jupiter, mars, venus, and saturn.
    Would that telescope mach for me, or is there anotherone u could recomend me???
    someone answer please
    thanks

  31. carmilache says:

    i want to purchase a Seben Big Boss telescope,FL=1400mm, Ap=150mm, FR=f/9 and im not sure if its a good bet. Can you help pls?:) Much apreciated!

  32. Spraycando says:

    Er. Excuse me. 2nd ‘scope. Maximum 45 x magnification with f/10 and 100mm aperture? Sorry? The only reason that “new” short focal length scopes have colour corrected objective lenses is because theres something wrong. IE: they’re so fast they wont focus all colours of the spectrum to one point. Resulting in nasty halos around bright objects. If you can’t get 25 x magnification per inch of aperture, don’t bother. Fast ‘scopes are crap. The “old boys” knew their stuff.

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