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Annika1980
Guest
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Daniel Silevitch
Guest
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 Posted:
Sun Oct 30, 2005 4:40 am Post subject:
Re: FLYING HIGH WITH THE 20D !!! |
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On 29 Oct 2005 18:52:41 -0700, Annika1980 <annika1980@aol.com> wrote:
Very nice. I offer my humble efforts at something similar, taken at the
Chicago Air&Water show in August:
http://home.uchicago.edu/~dmsilev/heart.jpg
http://home.uchicago.edu/~dmsilev/missing_man.jpg
http://home.uchicago.edu/~dmsilev/Eagle.jpg
Panasonic FZ5. Sadly, the Thunderbirds had to cancel their planned
appearance. On their first show (on Saturday), two of the planes got a
bit too close together, and a missile rail got knocked off one and fell
into the lake. Ergo, no Thunderbirds on Sunday. Plenty of other stuff,
though.
-dms |
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Rita Ä Berkowitz
Guest
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| Posted:
Mon Oct 31, 2005 4:07 am Post subject:
Re: FLYING HIGH WITH THE 20D !!! |
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Bill Funk wrote:
| Quote: | It is probably a calculated focal length.
the 20D has a 1.6X factor sensor (APS size), so the reported focal
length would be multiplied by 1.6 to get the 280mm.
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I'm not sure that's it. My Nikon 70-200 will read 140-400mm with the 2x
converter installed. The only difference is that it will read f/5.6 instead
of f/2.8.
Rita |
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George Kerby
Guest
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| Posted:
Mon Oct 31, 2005 4:42 am Post subject:
Re: FLYING HIGH WITH THE 20D !!! |
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On 10/30/05 4:07 PM, in article 11mah0gctvchcd4@news.supernews.com, "Rita Ä
Berkowitz" <ritaberk2O04 @aol.com> wrote:
| Quote: | Bill Funk wrote:
It is probably a calculated focal length.
the 20D has a 1.6X factor sensor (APS size), so the reported focal
length would be multiplied by 1.6 to get the 280mm.
I'm not sure that's it. My Nikon 70-200 will read 140-400mm with the 2x
converter installed. The only difference is that it will read f/5.6 instead
of f/2.8.
2X = 2 stops |
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