Digital Cameras Encyclopedia
Blurry Background?
I am trying to take a photo of a leaf, but i want the background to be blurry, something like the photos you see in encyclopedias about bees and so..
I am using a digital camera
Quick Reference Guide: Depth of field is governed by three factors: aperture, lens focal length and shooting distance. Remember the following relationships:
The smaller the aperture, the deeper the depth of field (the other two factors remaining the same). For example, if the lens focal length and the shooting distance stay the same, the depth of field is much deeper at f/16 than at f/1.4.
The shorter the lens focal length, the deeper the depth of field (the other two factors remaining the same). For example, comparing a 28mm lens with a 50mm lens at the same aperture and shooting distance, depth of field is deeper with the 28mm lens..
The greater the shooting distance, the deeper the depth of field. i.e. other two factors remaining the same). For example, if the subject is photographed from three and then from seven meters away, the zone of sharpness in the foreground and background is greater at seven meters.
Another characteristic of depth of field is that it is generally deeper in the background than in the foreground.
How to make a fisheye lens for a digital camera
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