• Micro Four Thirds System
• 100-400mm (35mm Equivalent)
• Aperture Range: f/2.8 to f/22
• Two UED Elements, Two ED Elements
• Two Aspherical Elements, One UHR Element
• Nano Surface Coating
• High-Speed 240 fps AF System
• POWER Optical Image Stabilizer
• Splash, Dust, and Freezeproof Design