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Emphasize the main subject while downplaying a distracting background. When you can't move closer to the action, bring the action closer to you. The telephoto effect reduces the angle of view and the depth of field, allowing you to capture the main subject while moderately diffusing the background. Perfect for sporting events, candids, portraits, wildlife and nature photos, and travel shots. It's easy to gauge the effect of a Tiffen telephoto conversion lens. For example, a 2.0x telephoto lens converts a 150mm lens into a 300mm lens (2 times 150).
