torsdag 7. oktober 2010

Photo - Depth of field (Dybdeskarphet)

When we learned about the Camera operations and what differences they could do with a photo, we should try out those functions in practice. I, and 2 other pupils did it together. We were to choose a random task from what we had learned, and take 2 photos to show the difference. We got the theme named: Depth of field (DOF). The task read that we should first take a photo with the largest aperture (blenderåpning). And task 2 said the opposite.We should also find a clearly Foreground, background and one between. Here is the photo shot with the largest aperture (lowest number):
Aperture size: 5,6
Aperture size: 36


The foreground here, is the flower, and you can se a clear difference between the flower and the background. It looks like the flower is far away from the background.















In this photo, the background comes closer to the flower, and it doesn`t look like a great distance. The trick is that the distance is the same in both photos. But by only changing the aperture makes a large difference.




Small aperture size makes big sharpness in the depth, but large makes little sharpness.


Remember, the smaller the number, the larger the aperture and the same with larger number - smaller aperture.
My English isn`t the best, so I might have spelled the photo expressions wrong, because we learned them in Norwegian.


Have a nice Day!

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