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Rating: Summary: Cokin Creative Filter Radial Zoom Review: This filter gives the effect of zooming a telephoto lens during exposure. It uses the same technique as the "speed" filter. The streaks of light radiating from the center of the frame suggest movement toward the camera. Here again, a mixed and preferably dark background accentuates the radiating streaks and so the apparent impression of motion. should not be used for subjects dominated by a light sky or which feature empty expanses of snow or water in the background, as it is the unfocused areas of a lively, distturbed background which emphasize the zoom effect. Technically this filter is a Center Spot filter.
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