Not every picture is the same and each picture is made different by the type of picture it is, that is full length, portrait and so on. To be able to take good portrait pictures there is a certain type of lens that you have to use to get the image right. In the paragraphs that follow I will talk about some points to consider when shooting a portrait picture.

In choosing a lens for a portrait you must take into account the prevailing conditions of the environment that you want to take the photo in. Light, wind etc. It is also important to consider the focal length. Why this is a consideration is because it is dependant upon the film size. So you would find that in taking a portrait using a 35mm camera you would use a 105mm lens, a 80mm camera you would need a 160 mm lens. You can see then how the size of the film has an effect on the lens that you choose and the eventual picture that you take.

If you ever find that these adjustments in focal length are complicated, you can always consult with a professional. It is one of those things that is better explained in a practical set up than a theoretical one like this one.

The size of the lens does not affect the view of the picture instead it depends on how far you are from the subject. What I am saying is the view of a picture will remain the same even if you change the size of the lens. The number of objects that appear in the picture is what will change. This is assuming of course you are taking pictures from exactly the same point without changing anything except focal length.

Like I said before to fully appreciate the effect a lens has on a portrait picture would be best understood in a practical set up by experimenting with different size lens until you have grasped the concept well.You will be able to find some great DSLR cameras and lenses at any one of these:

1. Digital Slr Ratings Camera
2. Crumpler Dslr Camera Bags
3. How Slr Works

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