Diffraction in a spider web

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Diffraction in a spider web

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1024 x 768 pixels (225 kB)

This morning, the fresh night has sprinkle some tiny dew droplets. Excited by the promise of nice picture, I decide to walk in the wet grass with sandals. But, I'm quickly back, afraid to see spiders climbing my naked legs: I'm scared by spiders! I put my boots on and go back to the adventure.
In the morning light, some large shadows aera highlight the spider webs. After setting my camera to avoid overexposition, I shoot a spider having its dinner. Its web displays some nice irisations, caused by diffraction of sunlight in the molecule of the silk. The processus isn't well understood, but... it's pretty!

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See the next picture of that series.

Instrument		200 mm focal length
Exposure & film		1/1000 with digital camera Canon 350D + Sigma 70-300 1:4-5.6
Date & place		September 5, 2006, Quimper


			The others pictures of "Rainbows"


			This picture has been published in


		SpaceWeather


	Published on September 12, 2006, in the homepage of SpaceWeather

To see the picture, click here

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