Fujifilm X-T3 Autofocus Test: Old Firmware vs New Firmware

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Fujifilm X-T3 firmware

Fujifilm recently released Fujifilm X-T3 firmware 3.20, which promises a noticeable improvement in face and eye autofocus.

If you are looking for feedback, take a loot at the 281 comments in our Fujifilm X-T3 firmware 3.20 article.

Now we have a first autofocus comparison between the Fujifilm X-T3 old vs new firmware.

The video is French by les-guides-fujifilm.com. Left side camera old firmware, right camera new firmware.

The video below starts at min. 8.06, which is where you can see both cameras tested side by side.

If somebody speaks French (sadly it’s not one of the 4 languages I speak), it would be great if you could quickly summarize in the comments what he thinks about the new firmware.

UPDATE: here is the translation from one of our readers (thanks)

  • face detection is generally better as it works with smaller (further away) faces, and is more reliable
  • multiple faces are also better handled than before
  • in difficult circumstance (such as somebody wearing glasses, face seen from the side, …) there seems to be no improvement.
  • with 56 XF strange results: new firmware seems to degrade the autofocus performance
  • with 16-80 XF there’s a general improvement
  • tracking remains a bit laggy, no real improvement vs previous version

Don’t forget to:

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Photons to Photos Dynamic Range Data: Fujifilm X-Pro3 Beats Fujifilm X-T3 and X-T30 – NOT :)

Photons to Photos added the Fujifilm X-Pro3 to their database, and you can now compare it to all other cameras in their database.

I did compare it to the Fujifilm X-T3 and Fujifilm X-T30, and the Fujifilm X-Pro3, despite having the same processor and sensor, shows a sensible advantage over the X-T3 and X-T30.

So has it better dynamic range?

Bill Claff explains:

The X-Pro3 appears to have improved PDR but it is an illusion.

It’s well known that Fuji implements the ISO setting in an unusual way.
In this case they have given ISO 320 to ISO 12800 an addition 1 stop boost.

Fuji uses a proprietary Exif tag called “Raw Exposure Bias” to indicate how much they have shifted the raw data from “standard”.

Adjusted in Excel for Raw Exposure Bias we see that the X-Pro3 and X-T3 are essentially identical. (They shift to dual conversion gain at a slightly different point).

You can access and manipulate the data here at Photons to Photos. Bill Claff’s comment has been added on dpreview.

Don’t forget to…

First Fujifilm X-T200 and XC35mm f/2 Images Leaked

These are the first Fujifilm X-T200 and XC35mm f/2 images via nokishita.

  • 9 elements in 6 groups
  • minimum of 0.35m, a maximum of 0.14x
  • filter of 43mm
  • 58.4×46.5mm, and 130g

The announcemt will be January 23.