Does current IBIS fit in Fujifilm X-T4? And GFX100 IBIS in GFX50R / 50S

Fujifilm IBIS

Back in March 2018, I have used Fujifilm technical X-H1 IBIS scetches and put them into the Fujfiilm X-T2. See the article here.

The result was the image you see above.

It’s my pleasure to see that over one year later, the topic is coming up again (better late than never), so I am glad to share it again with you.

The Fujfilm X-T4, if it keeps the size of the X-T3 and X-T2, will have a hard time to fit IBIS into its body. But Fujifilm has repeated many times, that they are working to make IBIS smaller.

And since we talk IBIS…

I had a personal curiosity to see how the Fujifilm GFX100 IBIS unit fits in the Fujifilm GFX 50S and Fujifilm GFX 50R.

So I took the IBIS unit displayed at the Fujifilm GFX100 live stream event, and mounted it on the Fujifilm GFX50R/S.

As you can see below, the IBIS unit is too big for both cameras, but not by a large margin. So there is hope that, with further development, the next generation IBIS will be small enough to make it fit also in the GFX R and GFX S line of cameras.

Fujifilm X-Pro3 with IBIS and Fujifilm X-T4 Clickbait :)

According to Camerabeta at Weibo, the Fujifilm X-Pro3, which we rumored to come this year, will have the following specs:

  • The new machine will use a 2400/2 megapixel X-Trans CMOS sensor; [I guess google tranlsate had troubles to translate 26MP]
  • With X-Processor 4 processor with 4 core CPU;
  • 4K video capture at 60 frames per second;
  • Built-in body five-axis anti-shake;
  • 3-inch 1.04 million point 3-axis touch screen;
  • Weatherproof magnesium alloy body;

This is all camerabeta said, and I can not confirm the specs until now.

Camerabeta does not mention the Fujifilm X-T4 at no point, and everybody who talks about it now, is out for clickbait (as usual) :).

via camerabeta

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Viltrox 23mm, 33mm and 56mm f/1.4 Autofocus Lenses Coming for Fujifilm X Mount

Viltrox AF Lenses

Viltrox recently launched the first reverse-engineered Fujifilm X autofocus lens, the Viltrox 85mm f/1.8 AF.

Now fellow FR-reader Michael (instagram, twitter, youtube) informed me that more lenses will come. In fact, Viltrox said:

“We will have more choices on focal length like 23mm/33mm/56mmf1.4. Maybe some of them can come out in October this year.“

It looks like competition is coming for the (currently discounted) Fujinon XF23mm f/1.4, XF 35mm f/1.4 and XF 56mm f/1.2.

As we reported here, the Viltrox 85mm f/1.8 is on and about to become the best-selling third-party lens for Fujifilm X here on FujiRumors. So there is space for third-party glass in Fuji X shooters’ bags, and I wish Sigma, Tamron and Tokina would join the X mount, too.

The issue? Fujifilm does not open their protocols (except for Zeiss and the Zeiss Touit X mount trinity), hence companies have to laboriously reverse-engineer the lens firmware to make it work on X mount.

Sigma has flirted with X series customers, saying that they would love to provide lenses for us, if Fujifilm discloses their protocols. However, Fujifilm replied that this won’t happen.

  • fujirumors.com – Sigma CEO: “Fujifilm customers would be our ideal customer, but Fujifilm does not disclose their protocols”
  • fujirumors.com – Fuji CEO: “Fujifilm does need to share X mount protocols with third-parties, since we offer already lots of glass. But if third-parties reverse-engineer AF lenses for X mount, that’s good from a customers’ point of view“

Fujifilm makes more money with lenses, than with camera bodies, so it is understandable that they are reluctant to open their mount to third parties.

On the other hand, I believe that with an open X mount, Fujifilm would grow its customer base faster than it is currently happening.

Last but not least, some rumors we shared last year:

  • read here: SIGMA Will Make FUJIFILM X Mount lenses if X series Camera Sales Increase by 20%
  • read here: SIGMA Needs Bigger Fujifilm Market Share, TOKINA Designed X Glass Already but Stopped by Royalties, TAMRON is Vague

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Fujifilm GFX100: No IBIS/OIS Combo, X-H1 vs GFX IBIS, Fujifilm GFX 100 Media Sheets, F-Log and More

In a recent interview, Fujifilm managers unveiled that it took them 3 years to develop the IBIS mechanism for the Fujifilm GFX100.

1.5 years were shared with the Fujifilm X-H1 IBIS mechanism development. But once the IBIS for X-H1 was ready, it took them additional 1.5 years for Fujifilm GFX100 IBIS.

At Fujikina 2019 in Toyko, Fujifilm displayed the ASP-C and MF IBIS units. You can see the difference in the image below.

Imaging-resource also shared a video and some GFX100 media slides. They say:

  • IBIS and OIS do not work together. Could change in future with firmware update, as it happened with Fujifilm X-H1
  • 4K@30p full sensor readout, but uses line skipping in vertical direction

The Fujifilm X-H1 IBIS looks small next to the Fujifilm GFX100 one. However, the X-H1 IBIS is still too big. It’s one of Fuji’s priorities to make it even smaller in order to give us a smaller Fujifilm X-H2, or maybe even fit it into a future Fujifilm X-T4 and X-T40 or any other camera that might come down the road.

Fujifilm GFX100: B&H Photo, AmazonUS, Adorama, Focuscamera
Fujifilm X-H1: BHphoto, AmazonUS, Adorama, Focuscamera

The GFX Community

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Media Slides

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