Friday, November 9, 2007

Bokeh

Bokeh: (from the Japanese boke ぼけ, "blur") is a photographic term referring to out-of-focus areas in an image produced by a camera lens.



Let's take a look at how background and foreground blur can add to a shot. I will admit that I did not intentionally try this, but it ended up being a nice shot with good bokeh.

EXIF Data to start:
Shutter Speed: 1/350
F Number: F/5.6

Focal Length: 650 mm
ISO Speed: 100

I took this picture at my in laws using the 400mm prime lens I have on loan. I note that the EXIF data states 650mm since that is the focal length I entered on the camera for the shake reduction built into the K10D. At a 1.5x crop the 400mm lens has a focal length 1.5x more than that stated on the lens, therefore the 650mm reporting.

This little female finch posed for quite a few shots about 20 feet away and many of them came out well but this was the best of them. The angle of the bird to the camera and the nice blur of the clothes line in the foreground and background give it a dreamy feel. The extremely blurred trees in the background offer a dark green that compliments the bird's colour and gives the bird that extra pop.

On a closing note here is the 400mm on the K10D:

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