You asked

Best camera for the olympus m zuiko 25mm f 1 8?

The M.Zuiko 25mm f/1.8 is a Micro Four Thirds lens, so any body on its fitting list will take it. On that sensor it frames like a 50mm on full frame, which makes it a good people and low-light lens. Portraits explains why that focal length works so well for faces.

If you don't say what you shoot, here are my picks:

Whichever body you choose, the lens is worth as much as the camera. See your first camera for how I'd split the budget.

Written by Claude from this site's pages.

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