Panasonic Lumix G X Vario PZ 45-175mm F4.0-5.6 ASPH. Power O.I.S. Lens, Black

The LUMIX G X VARIO PZ 45-175mm / F4.0-5.6 ASPH. / POWER O.I.S. is a power-zoom telephoto whose barrel does not extend while zooming. It is a Micro Four Thirds lens, so the 45 - 175mm focal length frames like 90 - 350mm on a 35mm camera, and the optical formula runs 14 elements in 10 groups (2 aspherical, 2 ED).

Maximum aperture is F4 - 5.6, closing to F22, the diaphragm has 7 blades in a circular iris, and it focuses to 0.9m. Maximum magnification is 0.2x (0.4x, 35mm equivalent), the filter thread is 46mm, and the lens measures 61.6mm max diameter x approx. 90.0mm length at approx. 210g (excluding caps).