X100 RAW and Lightroom 4

Goodness, you're making a meal of this.

With JPG shoot Auto-ISO and Auto-DR.

With RAW turn off Auto-DR and expose to the right as normal. The OVF histogram is close enough that you will have no problems if you are shooting RAW.

Forget about the Fuji software. Just use LR as you would with your other cameras.

I think you are in need of a quickstart guide.

http://peri.org.uk/wp/?page_id=1345

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X100 Blog => http://peri.org.uk/wp/?cat=16