Latest Firmware Introduces Autofocus Bug to Fujifilm X-T5, X-H2 and X-H2S – Annoying but Easily Fixable

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Autofocus Bug

In the past few weeks videos showing the bad tracking AF of Fujifilm cameras surfaced all over the web. And sometimes they come with catchy and clickbaity headlines that might grab attention, but in my opinion do not accurately represent what is going on.

So let’s talk about it in FujiRumors style: boring dry and sober ;).

The reported issues are:

  • when you are in continuous autofocus (not single autofocus) and you have set the camera to face/eye detection, the camera will track the closest thing it finds within the face detection frame and not the eye
  • when you do AF tracking, you get a low hit rate

The headlines that followed were like “Fujifilm AF is a joke” and “this suck” and what not.

But I believe that’s a way too general statement and does not represent the truth. Here is why.

The AF Truth

I have tested it on my X-T5. And yes. The issues are there.

But from here to say “Fuji AF sucks” is just maybe not the most accurate way to describe the issue.

Because the thing is: the issues appeared after the last firmware updates!

So a better headline would be “latest firmware introduces autofocus bugs“.

And also: the issue does not affect all cameras. Probably only X-H2, X-H2S and X-T5.

I have tried to duplicate the issues my X-T5 has with the latest firmware also on my X-E3 and GFX100S, but the X-E3/GFX100S have not the issue at all, and also the Fujifilm X-S20 has not this problem.

So the true realistic headline should be:

latest firmware updates introduce autofocus bugs to a limited number of Fujifilm cameras“.

But who’d click something with a headline like that, right? ;)

Easy to Fix

All this means just one thing: if Fujifilm is aware of it (and they should be aware of it at least now that we talk about it on FujiRumors), then there should be an easy and quick firmware fix.

An emergency solution could be to offer the previous firmware for download, get the new one right, and once fixed, offer the new firmware for download again.

Thanks for Reporting, but

Don’t get me wrong: if there is an issue, it is great that people on YouTube report about it.

But maybe, in future, try to resist the temptation of clickbait and give a more sober and complete view on the issue.

Because these videos will stay online forever. And once Fujifilm addresses the issue, those older videos that don’t clarify the AF was working much better before and that the problem is limited to the latest firmware will remain online, misleading viewers into thinking that Fuji AF is always bad and there is nothing to do about it.

Also: please do not call out other guys and say they are paid shills if in their past reviews they said the tracking works just fine. They made those statements before the latest firmware update.

Final Word of Fujifilm AF Truth

Final word: besides the bug we have now I also want to say clearly that I believe that, when at its best (hence, not with broken firmware), the Fujifilm AF is not yet on par with the best in class (Sony and Canon).

So I am not saying all is perfect. Fujifilm has to keep working hard to go that little extra step and make its AF just as good if not better than what we get on Sony and Canon cameras.

But from here to say that Fujifilm lags behind 10+ year old cameras in terms of autofocus might be great for views, but it is not true. Bugs can happen, sadly. It happened this time apparently. And I hope Fujifilm is working on a fixing it as soon as possible.

But also in this case: every day the fix is not released, is a day too much. Hurry up Fujifilm!

FujiRumors Independence

And to the guys telling me I ignore such reports because I am paid by Fujifilm: well, here I am, reporting about it.

And not only I report about it, but also tested it on my own cameras and try to give you a more complete report about on which additional cameras might be affected and which ones not.

Look guys: in all these years of blogging about Fujifilm I have received zero money from Fujifilm, zero freebies, zero discounts, zero invitations to events, zero gear rented, zero nothing.

I am 100% free to say what I want and Fujifilm has no power over this blog.

And since I pay full price for my precious gear, I want it to work perfectly. And if there is a potential flaw, I have no problems to report about it, because I want Fujifilm to fix it and my expensive gear to work at its best possible performance.

I am not a Fujifilm employee. I am just like you, a guy shooting with Fujifilm cameras. And I want my X-T5 autofocus to work better than my GFX100S and X-E3, because that is what it is supposed to do.

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Building a DIY Spectroscope with Fujifilm X-Trans Cameras (and Why Not with Bayer Sensor)

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When we talk X-Trans virtues, we often talk about the more film like looking grain, the less color noise at high ISO, less moiré, sharpness boost etc.

But the X-Trans array might have some other advantages most of us would not think of. For example, in today’s case we see how ideal X-Trans is to create a DIY Spectorscope to measure the wavelengths of light.

In fact, when comparing the X-Trans vs Bayer sensor for this project, mpr decided to go for X-Trans, because each column of the X-Trans sensor contains all three colors (red, blue, green), whereas each column of the Bayer sensor only has 2 colors.

This makes it a lot easier to use the X-Trans data for the spectorscope.

From there, mpr will guide you through the process and if you are interested definitely watch his video.

Nice to see yet another creative and useful application of the X-Trans sensor.

Newest X-Trans Cameras

X-Trans Articles

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DxO adds Fujifilm X100VI Support

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DxO has added support for the Fujifilm X100VI.

New Cameras Supported

  • Fujifilm X100VI
  • Leica SL3

New Lenses Supported

  • Fujifilm X100VI Lens
  • Panasonic Lumix S 28-200mm F4.0-7.1 Macro
  • Sigma 17mm F4 DG DN (L mount)
  • Sigma 24mm F2 DG DN C (C021) (L mount)
  • Sony FE 300mm F2.8 GM OSS
  • Sony FE 300mm F2.8 GM OSS with SEL TC1.4x
  • Sony FE 300mm F2.8 GM OSS with SEL TC2x
  • Tamron 28-75mm F2.8 Di III VXD G2 (Nikon Z)
  • Viltrox AF 20mm F2.8 Z (Nikon Z)
  • Viltrox 23mm F1.4 ZX (Nikon Z DX)
  • Viltrox 33mm F1.4 ZX (Nikon Z DX)
  • Viltrox 56mm F1.4 ZX (Nikon Z DX)

A full list of DxO-supported cameras & lenses can be found on the DxO Supported Cameras & Lenses page.

X100VI Stock Check

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Fujifilm X-T4, X-H2 and GFX100II Extended Spectrum Infrared Cameras Appear Inside Official Fujifilm XApp

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You might remember how back in 2023, BHphoto shortly listed a Fujifilm X-T4 extended spectrum on their website.

BHphoto later on removed the X-T4 IR saying it is now discontinued.

But now the whole story gets another twist.

A fellow FR-reader looked at the files of the latest Fujifilm XApp and hidden somewhere between the myriad of folders he found the following three cameras listed:

  • Fujifilm X-T4 Extended Spectrum
  • Fujifilm X-H2 Extended Spectrum
  • Fujifilm GFX100 II IR

So, why is Fujifilm putting these cameras inside their Fujifilm XApp? Are they maybe soon going to release special IR versions of them?

It would not be the first time, as we already got the Fujifilm X-T1 IR version once.

I think it would be great idea to breath new life into the Fujifilm X-T4 by launching a dedicated IR camera.

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Sigma CEO talks APS-C Lenses and Says Small, Light Gear with Friendly Interface is More Important than Impressive Specs

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Sigma CEO gave an interview to DPReview. Here are just some excerpts:

  • it seems that camera market shrinking has hit the bottom
  • still people are switching from DSLR to mirrorless
  • after the switch is completed, the market might shrink even more
  • he is worried about the increasing price of cameras and lenses
  • he is afraid that many might be able to afford these prices, especially young generation that want to switch from smartphone to camera
  • cameras today have impressive specs that many might not need
  • focus user friendly interface would be more important for customer, or smaller and lighter gear
  • Sigma leads the lens industry by pioneering new glass elements, often being the first to test and prove their viability.
  • other companies see Sigma using new type of glass and then start using it too
  • Sigma’s plan is to have a relatively complete range of lenses for APS-C sized sensors
  • but it seems there are no  I-series-style versions of the DC lenses, guesses DRP based on the CEO statements
  • no aperture ring APS-C lenses seem to be planned

You can read the full interview at DPReview.

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