You asked

Is the om system om 3 good for wildlife?

Yes, with one caveat. The OM-3 has a 20.4-megapixel Micro Four Thirds sensor with in-body stabilisation, and the crop factor of 2.0 gives long lenses a lot of reach. A 150-600mm lens frames like 300-1200mm on full frame.

My picks from its lens list:

My caveat: the OM-3 page doesn't say how its autofocus handles birds. For that, I'd look at the OM System OM-1 Mark II, which I call a wildlife favourite for its stacked sensor and very good bird detection. For more on lenses for this kind of shooting, see wildlife and sport.

Written by Claude from this site's pages.

From these pages