Conjuring up a dynamic zoomeffect in the photo(Digital photography)

           Outside, only blurred stripes, and a sharp main focus in the center: especially in sports photography, such techniques add enormous speed. How do we create this effect?
            Zoom effects are fascinating. They emerge when the focal length changes while capturing the subject. Since the eye does not find any stop in the blurred areas, the viewers eye inevitably goes to the sharp part of the photo. But the eye hardly stays there, because the many diagonals created in the photo created by the effect also create incessant movement and thus suggest a lot of restlessness. You can create the effect either directly while photographing or add it later to any picture.
WITH THE CAMERA: Prerequisite is a zoom lens, the focal length of which can be adjusted smoothly, without shaking, with a zoom-ring at the tube. Compact cameras with an adjusting compensator must unfortunately fi t here. Another important utensil is a stand. Set your camera on it, select a suitable composition and focus with the main subject in the center. If possible, select the program automatic aperture (‘TV’), then, using the timer, you can set the exact exposure duration. The camera then automatically determines the suitable exposure time. At 1/15 or 1/8 seconds, experience has shown that the zoom effect is brought out very well. Now the difficult part: when capturing the photo, you must change the focal length as uniformly as possible. Whether you increase it of reduce it, is your choice. The following has always worked: start turning the zoom ring before clicking the triggers and continue turning it through the exposure time. With that, you will have uniform lines stripes in the picture. If you first press the trigger and then frantically turn the ring, the shakes are inevitable. The fi rst time however, the ‘Wow!’-effect is difficult to get. Trial and error is the way to go here. Try the trick several times in both directions, vary the speed of rotation. Interesting effects can also be created if you accelerate or slow down the rotation during the exposure.

USING PHOTO EDITING: The solution is the filter ‘Radial soft focusing’ from the menu ‘Filter | soft focus filter’. First call the layer palette with [F7] and duplicate the background layer. For that, rightclick on the miniature layer and select ‘Duplicate layers’ in the context menu. Then open the Filter. With the instruction ‘radial’ you will get the desired zoom effect. Set the ‘Strength’ using the slider control to approx ‘60’ and use the quality level ‘Very good’ – it avoid rough graining.
             After clicking on ‘OK’, Photoshop integrates the filter in the picture. The problem in that: there is no sharp area remaining. Therefore, with a mask symbol, (circle in the right corner) put a mask on the background copy and select the brush tool. Set a large radius and the border sharpness to ‘0’. Set black as the foreground color and then paint over the area, which should be sharp.