You asked
Is the nikon af s dx 17 55mm f 2 8g if ed good for landscape?
Here is what the site says about that.
From Nikon AF-S DX 17-55mm f/2.8G IF-ED: Nikon AF-S DX 17-55mm f/2.8G IF-ED: A zoom lens by Nikon for APS-C cameras, 17-55mm f/2.8. Nikon's pro DX standard zoom: big and heavy. Specs - Maker: Nikon - Focal length: 17-55mm (zoom) - Maximum aperture: f/2.8 - Made for: APS-C sensors - Mounts: Nikon F - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Nikon F): like 26-82mm on full frame; f/2.8 gives about the depth of field of f/4.2 there. ...
From Landscape: Landscape: Landscape photography is slow. The light does the work, the scene doesn't move much, and you can use a tripod. That changes what matters in a camera.
Quoted from this site's pages.