The ZEISS Lightweight Zoom LWZ.3 21-100 mm/T2.9-3.9 T* zoom lens (ZEISS LWZ.3) offers you superior image performance in any imaginable shooting situation. Whether you’re shooting a film, commercial, corporate video, television drama, soap or high-end documentary under the most difficult conditions, the ZEISS LWZ.3 is a powerful, handy and trustworthy companion on the front of your camera.