In this video I take the Fujifilm XF 100-400mm F4.5-5.6 Telephoto Lens for a spin.

Fuji 100-400mm Review

The Fujifilm XF 100-400mm F4.5-5.6 is a professional weather-resistant super-telephoto zoom lens for your Fujifilm X-series interchangeable lens camera.

As soon as I took the lens out of the box, I could feel this is a well built lens. Everything is nice to touch and moves smoothly.

But for a lens of this price though there seems to be a lot of plastic and I would expect a lens of this price range to have less plastic in it. The lens is supplied with a soft cloth bag, and I was hoping to see fuji move in the same direction as other manufactures and provide a nice padded case for this lens. The tripod foot rotates around the axis of the lens, so it is easy to switch from landscape to portrait and anything in between. The way the foot attaches is more complex than it needs to be attaching with two screws, I guess the foot is usually kept attached to the lens so not a deal breaker. I would like to see a better tripod foot. Fuji have an Arca Swiss style foot you can buy as additional extra. In my opinion, it really should come with a lens of this price.

Let’s take a closer look at the lens and I’ll explain what all the letters and numbers mean.

Fuji XF 100-400mm F4.5-5.6 R LM OIS WR

100-400mm is the focal length of this lens, and it Covers the 35mm equivalent of 152-609mm

The zoom is controlled with a rotating going and the lens does grow a good 8cm longer when the zoom is used,

The ‘R’ = means the lens is equiped with an aperture ring.

LM = Linear Motor, In fact, it has Twin Linear Motors that gives fast and quiet autofocus, ideal for fast moving objects like aircraft and motorsports

The autofocus system is internal, so there is no rotating front element when focusing which is great news for polarising filter use.

There is also a focus limiter switch, so you can set the focusing to the full range of 1.75m to infinity, or 5m to infinity.

OIS = Optical Image Stabilisation, A 5.0-stop image stabilization system — apparently, the most powerful in any super telephoto zoom lens, it is claimed to produce shake-free results even at the maximum telephoto setting of 400mm, or the 609mm (35mm format equivalent). Also, if panning is detected, the lens automatically switches camera shake correction to the vertical plane only.

The OIS can be easily switched on and off with a switch on the lens, you’ll want this off for tripod use as with any image stabilisation.

I have tested the OIS on the 18-135 and was very impressed, I have a full video of the test and I will put a link to that video down below.

WR = Weather resistant – Both water and dust resistant and can be used in temps to -10c

As for the glass, it has 21 elements arranged in 14 groups, with 5 ED (Extra Low Dispersion) lens elements and Has 1 SUPER ED lens to help stop chromatic aberration.All this glass means this lens Weighs in at just under 1.4kg, it has a zoom lock to stop the lens creeping when walking around.

This lens is Compatible with Fuji’s 1.4x TC (extends it to 35mm equivalent of 213mm to 853mm) and the supplied Lens hood has a polarising filter window and a locking mechanism so it wont fall off.

I have seen other reviews compare this to the Canon 100-400mm lens, and say it is not as well built, it’s kind of dumb to compare this to anything else, If you’re after a super telephoto lens for your fuji X series camera, you don’t have any choice, this is it

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