This version is originally intended for sale outside the US and may contain adapters, manuals, and warranties not compatible with US standards. 25mm bright F1.4 - F16 Leica optics 46mm filter size Nano Surface coating Panasonic unveiled a new interchangeable lens LEICA DG SUMMILUX 25mm / F1.4 ASPH. (35 mm camera equivalent: 50 mm) for the LUMIX G Micro System. The new LEICA DG SUMMILUX 25mm / F1.4 ASPH. features outstanding brightness of F1.4 realized in the compact and light weight profile. The extraordinary brightness allows a beautiful soft focus for photo and video to be even more impressive and encourages users not to use the flash even in dimly-lit conditions. Certified with the name of world-reno