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Video Camera Techniques, 2nd Edition by Gerald Millerson

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The Camera Lens

There are three features of your camera lens that you need to know about to use it effectively:

•  How its focal length affects the picture and the camera’s handling.

•  The way focusing can influence the audience’s concentration.

•  What happens when you adjust the lens aperture (iris; f-stop).

We shall be discussing the practical aspects of these features in detail later. For the moment, let’s take a look at the way you make these adjustments.

The zoom lens

Most video cameras are fitted with a zoom lens. As you have probably discovered, this provides a variable coverage; from a wide-angle setting, that takes in a large area of the scene, to a narrow-angle or telephoto setting showing a much closer, more restricted view.

The ...

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