Lenses, Light, and ‘Lectricity
Modern motion media is composed primarily of pictures and sound. Attaining the highest degree of audience acceptance begins with the right type of visual image, properly displayed.
Capturing a Clear Image
Creating an image for your production requires some light on the subject and the right lens to pass the image through to the camera.
In the early days of photography and motion pictures, there was only one lens to a camera (see Figure 4-1). If you wanted to switch from a standard field lens to a telephoto lens, you would have to unscrew one lens and replace it with the other while the camera was not rolling. ...

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