Half-Macro Wide-Angle Prime. The Panasonic Leica 9mm f/1.7 ASPH DG Summilux’s 18mm equivalent focal length makes it great for cityscapes and landscapes, while its fast f/1.7 constant maximum aperture and rounded 7-blade diaphragm give you excellent depth-of-field control and low-light performance. Its 3.7-inch minimum focusing distance and 0.25x maximum magnification mean it’s exceptional for capturing subjects at a very close range.

Advanced Optical Design. The nine-group/twelve-element optical formula includes two aspherical elements, two extra-low dispersion elements, and one ultra high-refractive index element to increase clarity and sharpness while reducing chromatic aberrations, color fringing, and distortion.

High-Speed Autofocus System. A linear autofocus motor provides fast, accurate, nearly silent performance for still and video use. This autofocus system is compatible with Lumix cameras’ high-speed contrast-detection autofocus systems for speeds up to 240 fps. A focus-clutch mechanism lets you easily and quickly switch between autofocus and manual focusing.

High-Quality Build. The 9mm’s high-quality splash-, dust-, and freezeproof metal build gives you peace of mind when shooting in adverse conditions. It’s compatible with micro-step aperture control, which gives you smooth exposure changes when recording video.