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Mammoth Spring Ark
Oct 17, 2011 22:36:58   #
JoelS Loc: Deep South Alabama
 
I took this pic at 100 iso, 7 minutes exposure, f16. The lighting turned green and I suppose it was because of the type of lights they were. Anyway, any suggestions is appreciated.

Spring River
Spring River...

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Oct 17, 2011 22:37:50   #
JoelS Loc: Deep South Alabama
 
this was a Nikon D200 with a 70-300mm

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Oct 18, 2011 00:15:24   #
SQUIRL033 Loc: Chehalis, WA
 
what prompted you to try a 7 minute exposure?

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Oct 18, 2011 07:49:19   #
SunnyB Loc: Stilwell, Ks
 
JoelS wrote:
I took this pic at 100 iso, 7 minutes exposure, f16. The lighting turned green and I suppose it was because of the type of lights they were. Anyway, any suggestions is appreciated.


Wow, your photo is really different! I like the color green and your composition.

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Oct 18, 2011 13:51:44   #
japhotos7025 Loc: West Plains, Missouri
 
great shot. dont change a thing i live just a few miles from there and havent come up with anything that good yet

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Oct 18, 2011 14:02:09   #
betsout06 Loc: Pound Ridge, NY
 
any chance the green could be phosphoresence?

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Oct 18, 2011 17:17:11   #
JoelS Loc: Deep South Alabama
 
I calculated the exposure by first taking a shot at 1600 ISO, f5.6 for 30 sec. I reduced the ISO to 100 which is 4 stops, so I multiplied the 30 sec by 4. Then went to f16 which is 3 more stops and multiplied 2 min. by 3. and then added one minute for good measure. I don't know if this is scientific or not but it seems to work.

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Oct 19, 2011 00:07:05   #
JoelS Loc: Deep South Alabama
 
Here is a day time pic of the same place..

Daytime of Mammoth Spring dam #1
Daytime of Mammoth Spring dam #1...

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Oct 19, 2011 00:15:48   #
betsout06 Loc: Pound Ridge, NY
 
Wow, I thought the first shot was in a more urban local....never would have guessed!

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