You asked

Is the om system om 3 astro good for wildlife?

No, I wouldn't pick the OM System OM-3 Astro for wildlife. It's an OM-3 with an IR-cut filter that passes H-alpha light, built for astrophotography, and it isn't meant for everyday colour photos. Animals and birds need natural colour, so this body is the wrong tool.

If you want to shoot wildlife on Micro Four Thirds, pair a standard body with a telephoto lens. From the lenses that fit this camera, these are worth a look:

For the full picture, see Wildlife and sport.

Written by Claude from this site's pages.

From these pages