You asked

Canon eos 850d vs canon eos 250d?

On paper these two are close to identical. Both have a 24.1-megapixel APS-C Canon sensor, both use the Canon EF mount, and neither has stabilisation in the body. The main difference the site records is the year: the Canon EOS 250D was announced in 2019 and the Canon EOS 850D in 2020. I don't have anything on autofocus, handling or price, so I won't guess at those.

Since the lens lists match, choose by what you shoot. Some picks that work on either body:

If the crop factor is new to you, the sensor sizes guide explains it.

Written by Claude from this site's pages.

From these pages