You asked

Is the voigtl nder apo lanthar 28mm f 2 aspherical good for landscape?

Yes, the Voigtländer APO-Lanthar 28mm f/2 is a good landscape lens on full frame. At 28mm it gives you a classic wide view, and it's sharp, since the 50mm in this range is known for high sharpness and no colour fringing. Landscape work is slow, so manual focus and no stabilisation matter far less than they would for handheld shooting. Use a tripod, focus carefully, and stop down for depth.

On full frame, these bodies from its fitting list make sense for landscape:

If you're new to landscape, the landscape page explains what matters in a camera for this kind of shooting.

Written by Claude from this site's pages.

From these pages