Moon movement recorded w/ Canon EOS 7D +400mm lens + 2x extender

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Uploaded by on Jan 3, 2010

Moon movement recorded w/ Canon EOS 7D +400mm lens + 2x extender

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  • LOOKS AMAZING!

  • there a skull shape to it

  • amazing !!

  • @Hiheyhelloyo *an extender

    it's an attachement you put on the lens to make the equivalent field of view however many times it says longer than the original. for example, a 2x extender (more accurately a teleconverter) used on a 400mm lens gives it the equivalent of 800mm

    but the downside is you lose two f/stops (with 2x) of speed, so from f/2.8 - f/5.6

  • سبحان الله العظيم

  • Whats a extender?

  • Isn't the 7D a crop sensor? If so then it would be 400mm x 1.6 = 640mm (x 2) = 1280mm equivalent focal length. I'm hoping to upgrade to a 7D sometime in the future (currently shooting with a 450D + 100-400L). This video just makes me want to go out and buy it now. Nice and sharp. Thanks for sharing :)

  • @luisj169m 1600 800x2

  • @luisj169m yes but it reduces sensor and aperture capacities !

  • 400mm + 2x extender == 800mm???

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