This particular lens has a maximum focal length of 175 mm and a minimum focusing distance of 0.9 m. The aperture of the lens is maximum ƒ/4-5.6 and minimum ƒ/22.
From Currys
PANASONIC LUMIX G X VARIO PZ 45-175 mm f/4-5.6 Telephoto Zoom Lens, Black
This product is also available at 3 unverified merchants.