Panasonic Leica DG Vario-Elmar 100-400mm f/4-6.3 lens listed on Amazon

In addition to the Olympus M.Zuiko Digital ED 300mm f/4 PRO, the new Panasonic Leica DG Vario-Elmar 100-400mm f/4-6.3 lens is now also listed on Amazon:

Experience a Mirrorless Micro Four Thirds camera lens design with a significant reduction in size and weight. Up to two-thirds smaller and one-fifth the weight of comparable DSLR 35mm long zoom lenses
100-400mm F/4.0-6.3 LEICA VARIO-ELMAR high-performance lens for nature photography (200-800mm 35mm camera lens equivalent)
Ideally suited for the outdoors with a splash and dustproof sealed body. (When combined with splash and dustproof LUMIX G Mirrorless camera models)
Impressive image stability with integrated LUMIX Power Optical Image Stabilization (O.I.S) and LUMIX Dual I.S. camera compatibility
Integrated rotary tripod mount and built-in sliding lens hood
Price: $1,799.99