BlattWorld, Item Details: Tamron 200-400mm AF f5.6 Lens

Stay at a distance that isn't disturbing but still get really close to your subject with this distinguishably compact AF200-400mm zoom lens. Take beautiful shots of wildlife and get in all the action of sports with this lens that utilizes the highest leve

l of design technology which allows it to be just 178mm (7.0") in total length yet maintain a constant F/5.6 aperture. Beautiful, clear, crisp images throughout the zoom range are achieved by the use of two Low Dispersion (LD) lens elements in the front g

roup which keep chromatic aberrations to an absolute minimum. When focusing, the lens length doesn't change and the front element stays stationary due to an Internal Focusing mechanism which minimizes corner vignetting and distortion, for sharp images fro

m corner to corner.