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Focus settings X100F
Old 01-13-2019   #1
michaelwj
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Focus settings X100F

Hi All,

This is my first digital camera since an old Nikon D40 which I let go a long time ago, and honestly this fan dangled autofocus has me stumped.

I have the camera set up in manual focus, with back button AF (I set the rear dial to AF on because the button is too far away). That part is simple, I get basic autofocus and manual control in the OVF with the little screen in the corner and it works well, but I feel I'm limiting myself.

More complicated AF settings have me stumped though, and I'd like to be able to make use of them.

How do you have your X100F set up for autofocus? Do you change AF modes?

More generally, what do you get the customisable buttons to?

Thanks for the input.
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Old 01-14-2019   #2
ruby.monkey
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Mine stays on single-focus autofocus using a single central A/F point. I've yet to find a situation where manual focus is worth the effort.

Button-wise, ISO is finally on a dial where it belongs; so my function buttons now control white balance, film simulation, face-tracking, flash function, and N/D filter.
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Old 01-14-2019   #3
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Thanks ruby monkey.
In what way does the face-tracking work as a bottom? Turning it on and off? Or changing modes?
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Old 01-14-2019   #4
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At the moment it shows all options (including off). Don't know if it can be set to work as a simple on/off toggle.
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Old 01-14-2019   #5
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While I use a X-Pro 2, the AF system is similar to the X100-F's.

Learning all the AF functions with dual-finder FUJIFILM bodies is daunting since the EVF and OVF methods can be slightly different. Also, some of the AF modes are intended for video (which I never do). Here is a guide FUJIFILM wrote about the X-Pro 2 AF system. Most, if not all of this information is relevant to the X-100F.

I use the OVF ~90% of the time. Whenever possible, I focus the camera as I focused optical RF film cameras (focus and recompose). I mostly use the M AF mode and invoke focusing manually with the AFL button. The fly-by-wire lens collar focusing is now a practical option. I also use the Electronic Rangefinder window to conform focus. I prefer the red focus highlighting to the split-screen simulation.

Occasionally I use AFS mode with a shutter half-press. I never use AFC because it wastes battery life. I never use PRE-AF for the same reason. Both modes continually adjust AF no matter what you do.

Face detection works well and can be useful when one person is in the frame or when multiple people are within the intended plane of focus. It is quick and focus is easy to confirm using the ERF. For posed portraits, the Face Detection Eye mode is worth a try. Note, face detection does not use any of the phase-detection focus points which could affect focus performance.

Always use the mechanical shutter. In ES mode the camera can not focus in between shots.

Always use High Performance Mode: ON. (Power Management Settings). Otherwise AF performance will be compromised.

Make sure the Zone AF box is large enough to covers all the phase detection pixels. With single point AF make sure AF-box is set to maximum.
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Old 01-14-2019   #6
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Thanks William,
A huge help!
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Old 01-22-2019   #7
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A week (and many photos) later I've settled on MF with the rear command dial to AEL/AFL as it falls easier under my thumb (I configured the AEL/AFL button to flash settings). I set the focus area to the second smallest size, as it doesn't appear to change in the OVF no matter what you set it to, and this size seems to match OVF and EVF well (I figure at this setting the OVF is showing the best approximation to the actual focus area).

When I hand the camera to someone else, I flick it to AF-S, set up with a zone area and face detect (mostly I hand the camera to someone else to take a photo that includes people - mostly me, and is relatively posed and static, so face detect makes sense).

Other settings I've settled on (for now):
  • View mode: VF only (keeps me from menu diving and a bit more focused on shooting)
  • Front button (in the OVF-EVF switch): Film simulation - switch between Classic Chrome and Arcos
  • Front dial: Nothing. It's too sensitive to have set to ISO, and I use the exposure compensation dial for exposure compensation.
  • Fn button: ISO Auto settings. I use Auto ISO (the manual dial is too hard in practice - it would be more convenient to me if it only had full stops rather than thirds, with thirds it takes more than one movement to make and meaningful change (more than a stop). The shutter only has full stops.
  • AEL/AFL: Flash. I use the rear command dial for AEL/AFL.
  • Four way pad: The three customisable buttons are set to ND filter, self timer, and AE mode (photometry). The forth fixed to drive mode. I use these the least out of this list, and lock the buttons to avoid constantly entering the Q menu (I wish I could disable the Q button). I can still access the other buttons custom buttons when the lock is activated.
  • Focus ring in AF: Nothing (MF after autofocus acquisition)

Anyway, I'll see if things change as I use the camera more and more.

Thanks again William, a great jumping off point.
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Old 01-23-2019   #8
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Michael,

My pleasure.

By the way. I had to remove the ND filter from all FN buttons. My thick, clumsy fingers kept turning it on by accident.
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