This SIGMA lens has a maximum focal length of 23 mm and a minimum focusing distance of 0.25 m. It is not a zoom lens, but rather a prime lens.
From Photospecialist
SIGMA 23mm F/1.4 DC DN Contemporary FUJIFILM X
The product is available from £433.55 at international stores.
OnBuy
Sigma 23mm F1.4 DC DN Contemporary (Fuji X)