MTF ChartOptical DesignStep out in front with the latest incarnation of this full-frame telephoto zoom. Faster AF plus SPORT VR mode hone in on the action without compromising sharpness. The lighter, weather-resistant build goes anywhere. Telephoto reach. Winning speed. Sports. Wildlife. Travel. From the winner�€�s expression to birds in flight, this fast-focusing FX long lens captures exceptional stills and movies. Go where you need: weather-resistant build Follow the action without worrying about the lens. Every movable part of the lens barrel is sealed to protect from dust and water droplets. Sample Image