Best telephoto lens for the canon eos r3?

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From Canon EOS R3: Canon EOS R3: A mirrorless camera by Canon with a 24.1-megapixel full frame sensor, announced in 2021. Specs - Maker: Canon - Mount: Canon RF - Sensor: Full frame, 36 x 24mm, crop factor 1.0 - Resolution: 24.1 megapixels - Stabilisation: in the body - Announced: 2021 - Type: mirrorless camera Focal lengths on it Full frame is the reference size: lenses frame as marked. A lens made for APS-C works with the ...

From Sensor sizes: What it costs you: - Size, weight and price, especially of the lenses. A full-frame telephoto is much larger than its APS-C or Micro Four Thirds equivalent. - Less depth of field when you want more of it, for macro or landscape.

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