You asked
Is the fujifilm gf 19 35mm t3 5 pz ois wr good for landscape?
Yes, it's a strong pick for landscape. On Fujifilm's medium format sensor it frames like a 15-28mm on full frame, so you get a genuinely wide view. The f/3.5 aperture also gives you about the depth of field of f/2.8 there, which helps keep foreground and background sharp. It's weather-sealed (the WR in the name) and stabilised, which is useful when you're out in rough conditions.
Landscape is slow work, and as the landscape page explains, you'll usually be on a tripod, so the camera body matters as much as the lens. This lens fits these bodies:
If you want to know more about the lens itself, see the Fujifilm GF 19-35mm T3.5 PZ OIS WR page.
Written by Claude from this site's pages.