Can I use adapted lenses on the fujifilm x pro1?

Here is what the site says about that.

From Fujifilm X-Pro1: Fujifilm X-Pro1: A mirrorless camera by Fujifilm with a 16.3-megapixel APS-C sensor, announced in 2012. The first X-mount camera, with a hybrid optical and electronic viewfinder; slow autofocus by today's standards. Specs - Maker: Fujifilm - Mount: Fujifilm X - Sensor: APS-C, 23.5 x 15.6mm, crop factor 1.5 - Resolution: 16.3 megapixels - Stabilisation: none in the body; use stabilised lenses for slow shutter speeds - Announced: 2012 - Type: mirrorless camera ...

From Focal length converter: Ask it: The converter also answers questions at /ask/: try /ask/what-is-25mm-on-micro-four-thirds-in-full-frame, or name a camera, as in /ask/56mm-on-the-fujifilm-x-t5-full-frame-equivalent. Every camera in the gear catalogue knows its sensor size.

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