Best telephoto lens for the pentax kf?

Here is what the site says about that.

From Pentax KF: Pentax KF: A DSLR by Pentax with a 24.2-megapixel APS-C sensor, announced in 2022. Specs - Maker: Pentax - Mount: Pentax K - Sensor: APS-C, 23.5 x 15.6mm, crop factor 1.5 - Resolution: 24.2 megapixels - Stabilisation: in the body - Announced: 2022 - Type: DSLR Focal lengths on it Lenses frame like 1.5 times their focal length on full frame: 16mm like 24mm, 23mm like 35mm, 33mm like 50mm, 57mm like ...

From Pentax K-70: Pentax K-70: A DSLR by Pentax with a 24.2-megapixel APS-C sensor, announced in 2016. Weather-sealed, with a flip-out screen; the KF is a near-identical refresh of it.

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