Fast aperture super telephoto lens, suitable for distant subjects in field sports, wildlife and surveillance. A new optical design delivers crisp, high contrast images and features ultra-quiet Autofocus performance, Vibration Reduction II to combat the effect of camera shake at slow shutter speeds, and practical close focusing capabilities. Designed for digital, this lens includes a Nano Crystal coating, ED glass and rounded diaphragm blades to produce images full of detail with excellent out of focus characteristics.