Panasonic Leica DG Vario-Elmar 100-400mm f/4-6.3 ASPH POWER O.I.S. Lens 12PC Accessory Kit. Includes Manufacturer Accessories + 3PC Filter Kit (UV-CPL-FLD) + MORE - International Version (No Warranty) Micro Four Thirds System; 200-800mm (35mm Equivalent) Aperture Range: f/4 to f/22; 1 Aspherical ED, 1 UED and 2 ED Elements High-Speed 240 fps AF, Focus Limiter; POWER O.I.S., Dual I.S. Compatibility Built-In Rotating Tripod Collar & Hood; Weather-Resistant Construction Rounded Nine-Blade Diaphragm