When you want to capture a wide-angle image, the fisheye lens provides the ability to include a large field of vision. To do this, however, it utilizes a hemispherical shape, similar to the eye of a fish, in order to capture an extensive radius. When viewing the printed image, the center will appear close to normal but the outer elements will appear very distorted.
Instructions
1. Use a fisheye lens for special architectural effects when capturing a large building. Try composing the frame with an image in the foreground and use the sloping background to enhance the theme. For instance, using a fisheye lens when shooting a tulip field in Holland adds interest when foreground flowers feature prominently and a quaint windmill farm frames the background.
2. Compose your image with a straight line only in the middle. Because the fisheye lens distorts anything off center in the frame, the only lines that will appear perfectly straight are those in the exact middle. Any lines falling above or below the exact center will appear distorted and the further away the line travels from the center, the greater the distortion.
3. Zoom out to increase the circular distortion in your image. At full extension, the fisheye lens creates a round image, drawing side elements inward and compressing the outside elements in the circle.
4. Reduce the focal length to use the fisheye lens as a wide-angle lens. The shorter the focal range, the less distortion your image will portray. When zoomed all the way in, your fisheye lens can double for a wide-angle lens, but you will still have some barrel distortion towards the perimeter of the image.
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