Now thats the sort of lens I want

Discussion in 'Off Topic Chat' started by lostprophet, Jul 8, 2006.

  1. lostprophet

    lostprophet No longer a newbie, moving up!

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  2. Torus34

    Torus34 No longer a newbie, moving up!

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    Very long focus. It's also expensive -- not only the lens, but the plane that the camera's mounted in probably runs up the bill a tad.

    You can achieve something similar without going too deeply into debt by using a good astronomical telescope as your prime. Orion, Meade and Celestron, to name a few brands, make them. If you're so inclined, you can make the 'scope yourself.

    The big problems encountered for terrestrial subjects are haze and atmospheric distortion due to heat waves. Depending on the optical design, you may also have to become accustomed to seeing the image upside down.

    In camera terms, my own scope [home made] is a 1370mm f6.8.
     
  3. markc

    markc TPF Noob!

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  4. lostprophet

    lostprophet No longer a newbie, moving up!

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  5. mentos_007

    mentos_007 The Freshmaker!

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    must be heavy :p
     
  6. PlasticSpanner

    PlasticSpanner TPF Noob!

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    I have a 1500mm f8! :lol: (Celestron!)

    Not just the lens on the Canberra but what film were they using too? Must be quite a large negative and reasonably fast (Canberras aren't slow coaches!) yet fine grained.

    As an afterthought, from the Isle of Wight how do you even know accurately which way to point the camera to get Big Ben? :lol:
     
  7. hobbes28

    hobbes28 Incredible Supporting Member

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    With the GPS... gosh... ;)

    One day I'd like to have a telescope to shoot through so I could take some space shots. Then I see the ones ya'll put up and want it even more. :D
     
  8. hot shot

    hot shot TPF Noob!

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    the same why they know which way to fly cowardinats and triginomity (gps wasnt around at this time not to this extent anyways) the film is the size of a dinner plate but square, orion are the make to go with :thumbup::thumbup::thumbup: got all my stuff for gcse astronomy from them
     
  9. duncanp

    duncanp TPF Noob!

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    WOW, theyve just developed a 110mp sensor for an observatory, its 4 inches x 4 inches!
     
  10. Unimaxium

    Unimaxium TPF Noob!

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    wow, what an awesome lens. One thing though... I just did a little looking around with Google Earth, and that picture looks like it was taken from to the southeast of Big Ben, but isn't the Isle of Wight southwest?
     
  11. duncanp

    duncanp TPF Noob!

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    hmm im not sure,


    fun spoiler..
     
  12. lostprophet

    lostprophet No longer a newbie, moving up!

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    You mean the FORCES are telling us lies?? :lol:
     

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