Fuji isn't cheap, but their digital camera are designed to give you the feel of a SLR with all the primary functions being manually controlled with dials and levers. Fujinon lenses are top notch.
Any M42 screw fit lens with an adapter. Lenses are very cheap (compared to digital lenses) because so many millions of them were made over 40-odd years. If you have a Pentax digital camera, K mount lenses will fit and the older ones all are manual focus and manual aperture.