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Altamont Wind Farm

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Move cursor over to see this view through a light pollution suppression filter.

 


Altamont Pass, Livermore CA
1 Feb 2003
Nikomat with 50mm lens at f/8
60 minute exposure on Provia 400


Altamont

I had tried once before to get a nighttime picture of these modern-day generators, to complement my shot of a more traditional windmill. The proximity to the large population near San Francisco Bay fills the sky with light, and my previous pictures had been washed out. This time I was armed with a light pollution rejection filter and enough time to find this interesting composition.

I rediscovered a characteristic of these filters- they are very angle-of-view sensitive. In the end, a judicious adjustment of tone curves of the picture taken without the filter was the better choice. Mouse over the image to see how the film saw the scene through the LPS filter. 


Copyright 2003-Feb-21

Thor Olson


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