portrait photos

We've all seen beautiful photos where the object is perfectly focused while the background is blurred. Such a picture can be very dramatic and might seem difficult shooting. In this article we will give you some tips on how to make pictures blurred background that will impress your friends and family. You understand also what depth of field is and how to control it.

Depth of field (also known as DOF for short) is the most important thing to understanding before drawing a picture background blur. Depth of field is defined as the area where the picture is clear. For example an infinite depth of field means that the picture will be in focus from a certain distance from the camera to infinity. When you take a picture fuzzy objective is to define depth of field just around the object. In this way, the subject is in focus while the background behind it is not.

How can you check the depth of field? After all there is no "depth of field" menu of the camera (Would not that be nice …). Depth field optics is a figure that is influenced by several factors:

  • The distance from the object of the device: It is obvious to understand when taken to extremes. Shooting an object 10 feet from the camera will result in a shallow range of an object 100 feet from the camera. Shooting obviously an object distance for all practical purposes is infinite the camera will result in the camera centered the infinite depth of field being infinite too ..
  • Opening: The larger the aperture (f volume), more depth of field, and vice – versa: the narrower the aperture (f number increases) over the depth of field. Just remember that the depth field changes with the number f f increases when the number and depth of field increases and vice versa. Unfortunately, you can not change the aperture you want. Change the opening results in a need to change the shutter speed (either manually or the camera can probably do it for you automatically). The more open the more light that enters the lens and the faster the shutter speed should be so there is a limit to how wide you can set the aperture to.
  • The focal length of the goal: the shorter the focal length the greater the depth of field and vice versa, the longer the focal length plus the depth of field. For example, if you use normal lenses somewhere around 50mm your depth of field will be much greater than if you use the zoom to 200mm. With long focal depth of field can be extremely weak. For this reason, the zoom is a good choice to take a blurry photo product that is virtually confined to the object.
  • After understanding theory, it is better to go on field experience. You'll get an idea of how your photo will look like and how the background will blur after playing with different objectives, different apertures and different distances from your subject. If you have to start by taking zoom photos of a relatively close object while using your zoom. You know it is extremely easy to get an image background blur Using this method, even without adjusting the aperture. Once you feel comfortable with this configuration change to begin with opening and also change your normal 18mm-55mm or similar lenses.

    Most cameras allow to manually change the aperture setting the camera in "Mode" – when you're changing the aperture of the camera will automatically adjust the shutter speed accordingly. Some cameras allow to manually adjust the aperture and shutter speed.

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    In conclusion shooting dramatic picture background blur is easy with some minimal understanding of depth of field and experience.

    About the Author:

    Ziv Haparnas is a technology veteran and writes about practical technology and science issues. This article can be reprinted and used as long as the resource box including the backlink is included. You can find more information digital photo printing printing and photography in general on printrates.com – a site dedicated to photo printing

    Article Source: ArticlesBase.comTaking Portrait Photos With Blurry Background and Understanding Depth of Field

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