You asked

Best camera for the sony fe 100 400mm f 4 5 5 6 gm oss?

The lens is at its best on a full-frame body for serious sport and birds, and the Wildlife and sport guide backs that up. My picks from the cameras that take this lens:

The 100-400mm f/4.5-5.6 GM OSS page lists every camera it fits. Long lenses hold their value, so a used body or lens can save a lot. See buying used.

Written by Claude from this site's pages.

From these pages