Which canon rf camera should I buy?

Here is what the site says about that.

From Canon EOS R: Canon EOS R: A mirrorless camera by Canon with a 30.3-megapixel full frame sensor, announced in 2018. Canon's first full-frame mirrorless body, now a common used buy.

From Canon EF 70-200mm f/4L USM: Canon EF 70-200mm f/4L USM: A zoom lens by Canon for Full frame cameras, 70-200mm f/4. A light L telephoto without stabilisation, a classic used buy.

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