Fujifilm X-T30 has a Fujifilm X lens mount and currently there are 49 native lenses available for this mount.
Fujifilm X-T30 doesn't have a sensor based image stabilization system but 9 of these lenses already comes with optical image stabilization.
Since Fujifilm X-T30 has a APS-C sensor, it has a focal length multiplier of 1.5x so you have to multiply lenses original focal length with this multiplier to find the Full Frame equivalent focal length of the lens when mounted on X-T30.
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Fujifilm X-T30 Lenses with Image Stabilization
Fujifilm X-T30 Lenses with Weather Sealings