Panasonic Lumix G X Vario PZ 45-175mm f/4-5.6 ASPH. POWER O.I.S. LensSpanning a versatile telephoto range, the Lumix G X Vario PZ 45 175mm f 4 5. 6 ASPH. POWER O. I. S. from Panasonic is a 90 350mm equivalent lens designed for Micro Four Thirds mirrorless cameras. The lens's optical design includes a pair of aspherical elements and a pair of extra low dispersion elements, which help to control aberrations, distortion, and color fringing in order to realize a sharp, color accurate image quality, and a floating elements