Fujifilm Manager Calculates Weight Saving Between XF150-600mm f/6.3 vs f/8 at Long End

When we first shared the rumor of Fujifilm developing an XF150-600mm lens, many hoped it would not be slower than f/6.3 at the long end.

But then, in April 2022, we anticipated here that it would be f/8 at the long end.

In a talk with the Japanese youtube channel カメラのキタムラ, the manager addressed exactly this topic.

Once again we rely on the bad automatic YouTube translation tool, and given that I am now on my last days of holiday, which I am spending isolated with my family because we got Covid for the first time, I am not really in a super mood to fight with the automatic translation all too much.

And yet, there are a few things I’d like to highlight for you.

The manager calculated the weight difference between being f/6.3 and f/8 at the long end, and the result was that by going with f/8 Fujifilm saved 400g of weight.

So the question for Fujifilm was, is it worth to add 400g in order to have a 2/3 stops faster lens? Evidently not, at least in Fujifilm’s eyes.

Other things the manager said:

  • inner part of the lens is made of magnesium, outside part of plastic, also in this case the goal was to save weight
  • white color to handle better temperature changes
  • inner zoom
  • 3 front elements are heavy. When hold downwards, the lens would extend. The internal zoom solves this problem
  • four super ED elements to reduce chromatic aberration
  • can be used with teleconverters
  • linear motor

Get yours

Fujinon XF150-600mmF5.6-8 and XF18-120mmF4 Compatible with All X Mount Cameras but Some Will Have Restricted Features

Earlier today Fujifilm released firmware updates for ten Fujifilm X and GFX cameras.

The firmware included XF150-600mm f/5.6-8 compatibility for three Fujifilm cameras, the X-T4, X-T3 and X-S10.

This lead to the misunderstanding that the Fujinon XF150-600mm f/5.6-8 will work only with four cameras: the Fujifilm X-H2S, the X-T4, X-T3 and the X-S10.

However, that’s not correct.

The Fujinon XF150-600mm f/5.6-8 will work with all Fujifilm X series cameras. However, except for the four cameras mentioned above, the other cameras will have restrictions on some features and functions. The same is valid also for the brand new Fujinon XF18-120mmF4.

Here is what Fujifilm writes on their compatibility page:

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Fujifilm Firmware Updates for X-T4, X-T3, X-S10, X-Pro3, X-T30II, X100V, GFX100S, GFX100, GFX50S and GFX50R

Fujifilm has released new firmware updates for ten Fujifilm cameras.

Down below all the details and download links.

Rumors and Discussions

Firmware Details

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Nikon Z9 Sport Photographer Test Fujifilm X-H2S and Fujinon XF18-120mmF4 and XF150-600mmF5.6-8 Tests

Here is a little roundup to catch up with the latest first look reviewers about Fuji’s newest gear trinity.

It includes a Nikon Z9 shooter going hands on with the Fujifilm X-H2S and explaining us why 40fps do matter. It’s the first video in the “video section” down below, and it is also summarized for you in case you don’t have time to watch it right now.

And of course we got also the XF18-120mmF4 and XF150-600mF5.6-8 covered.

So, I guess you have now something to read and watch… I’ll jump in the Mediterranean water while you get through this all ;).

Fujinon XF18-120mmF4

  • alwinkok – XF18-120mm -A Good Zoom Lens for Photographers?

Overshadowed by the Fujifilm X-H2S

smashed by the Fujinon XF150-600mmF5.6-8

obscured by the latest Fujinon X mount roadmap

the Fujinon XF18-120mmF4 entered the Fuji world with little fanfare.

But here on FujiRumors we treat all lenses with the same dignity, so we will start the roundup with this lens. More precisely, the with the coverage of Taylor Jackson, who says:

  • there are four ways to zoom
    1) a zoom ring designed to feel like a manual zoom ring
    2) behind the zoom ring, there is a zoom lever
    3 )there is a zoom button to zoom at a constant speed
    4) ou can zoom via touch screen controls
  • exposure stepping still exists [on this pre-production copy]
  • minimal focus breathing
  • very versatile

Fujinon XF150-600mmF5.6-8

  • keithwee – Fujinon XF150-600mm ƒ5-6.8 R LM OIS WR Review – Reach Maximus

Videos Section

** CLICK HERE to Read the Rest of the Article **

BIRD TRACKING with Fujifilm X-H2S with XF150-600 (in Complex Condition) and EYE AUTOFOCUS on Par with SONY & Co

Bird Tracking

Just yesterday I reported about a video by tb- photography, who in 1 minute was able to give us more clues about the real autofocus performance of the Fujifilm X-H2S then some of the big youtube channels in 20 minutes of talks (and in some cases without showing and samples).

And since smaller youtube channels seem to often stay on the piece better than the big ones, today I’ll share a video of an even smaller youtube channel, in fact so small, that this time even I missed this video, but a fellow FR-reader made it notice to me today.

Passionate bird photographer liewwk Nature runs a 860 subscriber channel with hundred of bird photography videos.

He posted a 5 minute video of birds tracking with the new Fujifilm X-H2S and XF150-600mmF5.6-8.

A lot of it has been taken in tropical forest environment, often in tricky and low to very low light conditions and with a complex and distracting background.

In these objectively difficult conditions, Iiewwk Nature writes:

The new system just weight 2.4KG which allow us to shoot 150-600mm (225-900mm 35mm equivalent) which is one best available

This system allow me have >50% success rate 1/125 at 900mm which is my recommended minimum shutter speed for handheld.

The AF is fast and accurate (on bird eye), it may not best in market but it is very good and accurate even at low-light & complex environment.

For the Auto-focus, I think this is a huge upgrade compare previous X series. The Animal Detection just simple amazing

Keep in mind that this is the success rate mentioned is for shooting at 900mm.

In my eyes it already looks pretty amazing. And considering that this is an early pre-production firmware (on both, camera and lens), I guess it can get only better from this point on until the final firmware is released.

You can find the video down below and his blog post about his experience at liewwkphoto.

Eye Autofocus

The second video below is of Lee Zavitz, who used the Fujifilm X-H2 with the XF18-120mmF4 for a portrait session and he is says that eye AF is crazy and it detects the eye even when the eyes are mostly blocked by her hair.

He says he is really impressed by eye detection and he did not expect it to be that good.

It’s still a beta firmware, but it is on par with competitors in terms of eye autofocus.