What lenses should I buy for the sony a7r?

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From Sony a7R: Sony a7R: A mirrorless camera by Sony with a 36.4-megapixel full frame sensor, announced in 2013. Specs - Maker: Sony - Mount: Sony E - Sensor: Full frame, 36 x 24mm, crop factor 1.0 - Resolution: 36.4 megapixels - Stabilisation: none in the body; use stabilised lenses for slow shutter speeds - Announced: 2013 - Type: mirrorless camera Focal lengths on it Full frame is the reference size: lenses frame as marked. ...

From Sony a7R IV: Sony a7R IV: A mirrorless camera by Sony with a 61-megapixel full frame sensor, announced in 2019. Also sold from 2021 as the a7R IVA, with a sharper rear screen.

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