Internal Fujifilm GFX100II Slide Claims 97% Eye AF Accuracy with GF55mmF1.7 in Studio Use

One of the questions is how accurate the Fujifilm GFX100II eye autofocus is.

A kind source decided to answer this question, and passed me an internal Fujifilm slide about the Fujifilm GFX100II, which shows that, for portraits and coupled with the Fujinon GF55mm f/1.7, Fujifilm has calculated a 97% autofocus accuracy.

This is of course for portraits. We are not talking about the accuracy when tracking any athlete running at full speed or something like that.

But I guess the most realistic scenario for the combination GFX100II and GF55mmF1.7 is anyway portraits or not really fast moving subjects (people at a wedding etc).

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RAW File Converter EX3.0 adds Fujifilm GFX100II Support

RAW File Converter EX3.0 adds Fujifilm GFX100II support.

RAW FILE CONVERTER EX 3.0 powered by SILKYPIX Ver.8.1.14.0 – download here
The software update Ver.8.1.14.0 incorporates the following issue:

  1. Applicable models for the “RAW FILE CONVERTER EX 3.0 powered by SILKYPIX” are added.
    Applicable Model : FUJIFILM GFX100 II

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Fujifilm GFX100 II Engineers and The Truth About the “New” Sensor and “Up to Twice” Readout Speed

Fujifilm GFX100II

Over the past few weeks, many have contacted me asking why I don’t talk about the reports that claim:

  • the Fujifilm GFX100 II sensor is not new
  • the Fujifilm GFX100 II does not read out at twice the speed and faster readout speed is achieved only with software tricks, meaning dropping down at 12 bit when in 8 fps mode

The answer is simple:

When Fujifilm published their first Fujifilm GFX100II development story episodes, they said they would talk about the GFX100II sensor in future episodes.

This is why I decided to wait, hear Fujifilm’s position, and then write an article that is as comprehensive and complete as possible.

And I am happy I waited, because in the 5th X Lab episode dedicated to the GFX100II, we get some helpful insights in the inner workings of the sensor (full episode with summary below)..

But before we dive into it, let me express my admiration for Jim Kasson’s brilliant work in analyzing the inner workings of the GFX100II and to Petapixel for bringing his findings to the attention of the larger public.

I decided to wait for more details coming from Fujifilm before reporting about it, but maybe they would not have disclosed those in such detail, if Jim would not have done his great work, and Petapixel made a huge buzz out of it.

The Truth in a Nutshell

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