Versatile Telephoto Zoom: Offers a 50-100mm equivalent focal length on Micro Four Thirds cameras, making it ideal for portraiture, fashion, events, and other mid-range applications.. Bright Constant Aperture: Features an f/1.7 aperture throughout the zoom range for exceptional performance in low-light conditions and creative depth of field control.. Advanced Optical Design: Incorporates aspherical, ED, and UHR elements to minimize chromatic aberrations and distortions, delivering sharp, accurate, and high-quality imagery.. Optimized for Video & Durability: Linear AF motor, focus clutch mechanism, and de-clicked aperture ring enhance video usability, while the weather-sealed design ensures reliable use in harsh environments.. This Bundle Includes: Panasonic Leica DG Cario-Summilux 25-50mm f/1.7 Lens, 3-Piece Filter Kit, Lens Pouch, Full Cleaning Kit, Lens Cap Keeper, Lens Caps, Lens Hood