With the Tamron 70-200 mm F/2.8 Di VC USD a telephoto zoom is available which perfectly adds on to the focal length of the 24-70 by the same manufacturer. Luminous intensity of 2.8, ultrasound drive and optical image stabilizer are only the comfortable general conditions around the high-quality manufactured objective lenses made of latest materials such as XLD and LD-glass. This zoom lens also fully illuminates a full frame sensor.