crwdns2933423:0crwdne2933423:0

crwdns2944351:0crwdnd2944351:0Fujifilm X100 and X100S lens partial Disassembly , from the FRONT.crwdnd2944351:0crwdne2944351:0

crwdns2933797:0Roberto Tosocrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Roberto Toso

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Introduction
I have a X100S camera, which is completely dead , and a X100 with a bad working iris; iris was moving, but sometimes reamained fully open, and most of the times was fully closed (no autofocus, very dark pictures).
I did not want to tear down the camera from the back, so I decided to try from the front, starting with the dead X100S, as a “safe” trial.
Later I than sawdid the same on the X100, and noticed that the X100 lens is the same, also inside.
When I reached the iris, I realized that the motor was not moving correctly, closing the iris a bit more at each shutter actuation. I then decided to remove the iris gear, and fix the iris at around f:4, which is for me a good compromise. DOF is acceptable on this lens, and AF works well.
You can try to do the same if you have a bad working iris, or you can use this guide to clean the lens inside, or change the lens front element, if damaged.
I hope you can find this guide useful.