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New firmware update makes the 2-year-old Fujifilm X-T3’s AF as fast as the new X-T4

By Ng Chong Seng - on 29 Oct 2020, 6:07am

New firmware update makes the 2-year-old Fujifilm X-T3’s AF as fast as the new X-T4

Fujifilm has released a firmware update for the X-T3 that promises to bring the mirrorless camera’s AF performance to the ‘same level’ as the new X-T4.

According to firmware v4.00’s changelog, the following is what Fujifilm means by ‘same level’:

  • X-T3’s fastest AF speed is now 0.02s like the X-T4, down from 0.06s.
  • Algorithm for predicting subject movements has been updated.
  • AF tracking performance has been doubled compared to firmware v3.30. (Press the shutter button halfway down when a subject is in the focus area to maintain focus on the subject with a higher level of accuracy.)
  • Face Tracking / Eye AF performance has also been upgraded, with algorithm re-written to double the tracking performance of the Eye AF in continuous shooting modes.
  • AF is now able to work in low light levels down to -7EV (when using the Fujinon XF50mmF1.0 R WR lens).
  • New Focus Limiter function provides a pre-defined specific focus range.

While upping AF performance on the 2018 camera is the main theme of the new firmware, there are other user experience improvements, including the abilities to change the focus point by the focus lever during AE lock and adjust the Single AF point during video recording. Third-party apps can now also read photo ratings.

Source: Fujifilm.

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