The LUMIX DG 100-400mm lens was specially designed for the world's nature photographers. It pulls distant activities up close, revealing the natural world in stunning, exceptional detail. Power Optical Image Stabilisation ensures your stills are super-sharp, and 4K video is smooth and steady. Key features : Track the action without disturbing your subjects. A highly powerful zoom range of 100-400mm (35mm camera equivalent: 200-800mm) produces extraordinary ultra-telephoto shots of distant wildlife and far-away action. Using 20 elements in 13 groups, 1 aspherical ED lens, 1 UED lens and 2 ED lenses, the LUMIX DG VARIO 100-400mm achieves consistent superior quality from the centre to the very corners of the frame, meeting LEICA standards. The result is brilliant clarity from a compact lens that corrects aberrations and maintains edge-to-edge detail integrity and colour. Power Optical Image Stabilisation counteracts vibration and camera shake so you can can capture blur-free imagery when shooting handheld stills and video. Advanced autofocus performance enables superb quality video footage. Focus transitions are smooth and near-silent, with a precision that makes the incredible detail in 4K resolution come alive. Nine aperture blades create a circular diaphragm that produces beautiful smoothness in out-of-focus areas - even at higher aperture settings. Splash and dust-proof design provides the resilience to excel in outdoor field use.