Fujifilm X-T4 vs Sony A7R IV Comparison with Fujifilm Manager Warwick Williams

Josh from Georges compares two cameras the Fujifilm X-T4 and the Sony A7R IV to see what they are like for both stills and video.

The curious thing about this comparison, is that he is assisted by Warwick Williams from Fujifilm Australia.

The gear used, beyond the Fujifilm X-T4 (26 MP) and the Sony A7rIV (61 MP):

Of course, when zooming in a lot into the image, the 61 megapixel have an advantage in terms of resolution. But I guess if resolution is what you need, then why just be happy with 61 MP when you can get 102 megapixel with the Fujifilm GFX100 ;).

Then they compared the depth of field between the XF56mmF1.2 and the FE85mmF1.4 and the Sony blurs the background a bit more. Warwick says he should have used the XF56mmF1.2 APD version to get results even closer to the ones you get with the Sony 85mmF1.4.

Let me add a comment: get the upcoming Fujinon XF50mmF1.0 if you really want the ultimate background blur.

A bit more dynamic range for the Sony, but the APS-C sensor hold up very well.

APS-C systems are generally smaller and more affordable.

Georges ends up saying that after looking at the samples, there is a difference between FF and APS-C, but it is a lot smaller than he would have expected.

Warwick ends up saying that Fujifilm wants to keep the APS-C system smaller and lighter, and for that purpose APS-C is better as it allows for smaller lenses. He also speaks for X-Trans, which he says has advantages over Bayer (which FujiRumors explained here, but we also talked about disadvantages in the same post).

Warwick concludes that “smaller and lighter means you are going to use it also more“.

George ends up saying, it all comes down to personal preferences as each system as its Pros and Cons (which we highlighted in this article).

Nobody talks about the price difference ;).

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Curiosity: Fujifilm X-T4 has Better Video Dynamic Range than Canon EOS R5 and Canon EOS R6

Gerald Undone has tested the Canon R5 and Canon R6.

His review focuses mostly on video, so check it out if you are interested in the new Canon cameras (which, as we said, are Canon’s declaration of the death of DSLR’s).

Overall the review is not really that positive, as the new Canon R5 and R6 have some serious limitations, and show one more time that putting stuff into cameras just to decorate the specs sheet, but then making them unusable in real life use, is not a smart way to deal with customers, and this might backfire terribly.

But hey, we Fuji shooters have already a lot of stuff to worry and struggle with in our own little photography X/GFX space, that we won’t talk about the issues with the Canon EOS R5 and R6 here.

But one thing I’d like to mention it.

At minute 6:09, Gerald shares the results of his video dynamic range testings, and he says that the APS-C Fujifilm cameras (such as X-T3 and X-T4) beat the full frame Canon EOS R5 and R6 in this area.

Also, as said in another video shared down below, the Fujifilm X-T4 exhibits less flickering at higher shutter speeds compared to the Canon EOS R5. Also in this video, they confirm the Fujifilm X-T4 is winning in terms of video dynamic range. Since the Canon R5 costs 3 times a Fuji body, he would have hoped for better results.

Not bad for the little (and much more affordable) Fuji’s ;).

So, that’s the little good Fuji news. Now back to complaining about the lack of X-T3 firmware and Co. ;)

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Does the Fujifilm X-T4 Overheat? Tony Northrup Says YES and Calls it Flawed, But Others Disagree and Get Different Results

Tony Northrup has recently released 2 videos, stating that the Fujifilm X-T4 has a serious overheating issue. So much so, that he called the X-T4 “flawed”. I will share both videos down below.

Balbo42 was curious about it and tested the X-T4 overheating by himself. Turns out he could not back it up. Here is what he says:

  • Tony says the X-T4 overheats badly in video (in his video he calls the X-T4 “flawed” because of that)
  • potential buyers are of course scared by that, and might not buy X-T4 after such a negative review
  • he says that Tony ends up recommending buying a used Fujifilm X-T3, and Balbo42 points out that Tony’s video is sponsored by KEH, which sells used gear
    [FR-admin: I don’t think Tony did it to drive sales to his affiliation partner. In the Fuji community, there is a good number of X shooters, who recommend to buy X-T3 over X-T4, unless you really want IBIS and longer battery life. Tony is just one of those.]
  • in the X-T4 manual, it’s written that it has 20 minutes 4K60p limit, which can be shorter in hot outside temperatures
  • he brought out his camera at 30˚ Celsius (86˚Fahrenheit) and shot at 4K60p
  • after 20 minutes the camera asks to be turned off
  • if you turn off at that point, and quickly switch on again, then you can record for 2 to 5 minutes again
  • he turned the camera off and let it rest for 30 minutes on his balcony (at 86 fahrenheit)
  • he then filmed for 19:30 again, before the camera turned off
  • another 30 minutes break on the balcony
  • he then filmed again 20 more minutes in 4K60p
  • he gets the same results at H265 and H264
  • no footage was lost. The camera always stored the file before shutting off
  • the camera is not flawed like Tony Northrup says. It’s just not designed to film hours and hours of content in 4K60p. It’s written also in the manual that it has a 20 minutes limit in 4K60p
  • 4K60p is the most intensive for the processor
  • if he shoots at 4K30p, the manual says you can film 30 minutes (an arbitrary limit due to old EU tariffs). So it’s a software limit, not hardware limit
  • he filmed 30 minutes 4K30p, got not overheating warning
  • after 30 minutes, he just switched OFF and then immediately ON the camera again, and he filmed 30 more minutes, without any overheating warning
  • he switched OFF and ON again, and it filmed again 30 minutes with no warning
  • at 4K30p 30 minutes limit is purely software limit
  • usually he never shoots 4K60p for a long time, he just needs it to make some slow motion B-Roll
  • if you do not buy the Fujifilm X-T4 because of Tony Northrup, you will be missing out on an amazing hybrid camera

Now, I never run an torture test on my X-T4, but in all the long videos I filmed for my COVID-19 caused online lessons, my Fujifilm X-T4 was an extremely reliable film-partner.

The only thing that annoyed me, was that with my 64GB SD-Card, it recorded the video in 1 single clip, but when I switched to my 32GB card, it spilt the video in multiple smaller files. This is something that is written in the manual, and I forgot for a moment. So, from there on, I only used 64GB cards or higher, so I get one nice big file to work on in post.

I agree with Balbo42, the Fujifilm X-T4 is an amazing hybrid camera. Calling if flawed is… well… let’s say a “bold” statement.

But hey, this is FujiRumors. We share it all, and you guys make up your own mind.

The Videos

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Leaving Phase One for Fujifilm GFX100, Hasselblad X1D II vs Fujifilm GFX50R Budget Medium Format Comparison & More

I was once on my Dolomites, when I met a professional landscape photographer, who had a rented Phase One (I posted it on my Instagram here).

We had a brief talk before my hike continued, and I just told him that he should enjoy his Phase One, as this might be one of his last trips with it. A few months from now Fujifilm might drop something that will finally allow him to actually own a 100 megapixel camera.

Now, I don’t know how the story ended. Did he get the Fujifilm GFX100? Well, I wouldn’t be surprised if he did.

For sure, some did, as you can see from the video down below, where a photographer left Phase One for Fujifilm GFX100. And for good reasons: much lighter, much more compact, much cheaper, much faster, much more versatile, still that medium format look and more.

And if the GFX100 is still a bit too high in price, for about 1/3 of the price, you get 1/2 of the megapixel with the Fujifilm GFX50R.

Fujifilm is slowly but surely building up an impressive and absolutely future proof system. A system, that, I am sure, will gain lots of followers in the years to come.

GFX roundup

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Fujifilm X-T4 Firmware 1.03 New Exposure Stepping Test: All Good with AUTO ISO and Shutter Speed, but not AUTO Aperture

Fellow Fujifilm X-T group member Kim has also tested the new Fujifilm X-T4 firmware 1.03, and regarding the exposure stepping he says:

  • still stepping if aperture is in AUTO
  • not stepping (much smoother) if shutter speed or ISO is in AUTO

Personally, during my online lessons for my students, I always set a fixed shutter speed and fix aperture, and let the ISO make its AUTO thing (the exposure changed when clouds passed etc, and ISO adapted to it automatically).

Hence, for my use, I never work in AUTO aperture anyway, so the exposure stepping is fixed for me.

But if you shoot video in Auto Aperture or at very high frame rates (100 fps or more), than it’s still an issue.

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