The Panasonic Lumix G X Vario 12-35mm f/2.8 II ASPH. POWER O.I.S. Lens is a flexible zoom covering from wide angle through to portrait length focal lengths. With a 35mm equivalent focal length of 24-70 this fast 2.8 zoom is a robust work horse that will give you most of the shots you could need out of a day. The built in optical image stabilisation allows for longer shutter speeds while still maintaining sharpness.