Best portrait lens for the om system om 3 astro?

Here is what the site says about that.

From OM System OM-3 Astro: OM System OM-3 Astro: A mirrorless camera by OM System with a 20.4-megapixel Micro Four Thirds sensor, announced in 2026. An OM-3 with an IR-cut filter that passes H-alpha light, made for astrophotography; it is not meant for everyday colour photos. Specs - Maker: OM System - Mount: Micro Four Thirds - Sensor: Micro Four Thirds, 17.3 x 13mm, crop factor 2.0 - Resolution: 20.4 megapixels - Stabilisation: in the body - Announced: 2026 ...

From Portraits: Portraits: For portraits, the lens matters far more than the camera. A cheap body with a good portrait lens beats an expensive body with a kit zoom every time.

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