Offering the 35mm equivalent to a 152-609mm lens, this super telephoto zoom is a must for getting closer to distant subjects
FUJINON XF100-400mmF4.5-5.6 R LM OIS WR offers a 152-609mm (35mm equivalent) focal range paired with fast, near-silent twin linear motors.
Designed for all-day outdoor use, it features Optical Image Stabilization up to 5.0 stops, weather sealing for conditions as low as 14°F (-10°C), and a manageable handheld weight.
Its advanced optics deliver sharp images, while teleconverter compatibility and filter-friendly features make it an adaptable step-up lens for serious action and outdoor photographers.
Photo 2023 © Karen Hutton | FUJIFILM X-T5 and FUJINON XF100-400mmF4.5-5.6 R LM OIS WR, 1/1600 sec at F7.1, ISO 320
Whether it’s a distant bird cruising on a thermal, or the expression on a soccer player’s face at the moment they attempt to score, we sometimes need a telephoto’s reach and the ability to carry and use it all day long. FUJINON XF100-400mmF4.5-5.6 R LM OIS WR was built around meeting these needs.
Its 100-400mm range, equivalent to 152-609mm in 35mm, brings distant action closer, while its construction keeps it workable handheld for hours.
For photographers moving from shorter zooms into serious wildlife or sport work, this lens marks a meaningful step up.
Here are five key features that define what it offers.
Photo 2024 © Ritchie Roesch | FUJIFILM X-T5 and FUJINON XF100-400mmF4.5-5.6 R LM OIS WR, 1/1000 sec at F4.6, ISO 2000
XF100-400mmF4.5-5.6 covers 100-400mm focal range, or 152-609mm in 35mm equivalent terms. It has a maximum aperture of F4.5 at the wide end, narrowing to F5.6 at full telephoto, and a minimum aperture of F22.
That focal range extends well beyond a standard telephoto zoom, giving a working distance range that matters when a subject is skittish or distant.
Photo 2023 © Karen Hutton | FUJIFILM X-T5 and FUJINON XF100-400mmF4.5-5.6 R LM OIS WR, 1/2200 sec at F7.1, ISO 320
The lens’s twin linear motors drive autofocus, delivering speed for when tracking moving subjects without the noise that can disturb wildlife or draw attention during a live performance. A focus limiter switch gives a physical and tactile means to narrow the AF search to subjects beyond 5m, cutting hunting time further when a subject is already at a distance.
Together, these allow the lens to track distant, fast-moving subjects quickly and easily, whether an animal leaping through the trees or an athlete breaking away from their group.
Optical Image Stabilization (OIS) rated up to 5.0 stops keeps images sharp even at the long end of the focal range, where the smallest movement can become obvious at full magnification.
If the system detects panning, it automatically switches correction to the vertical plane only, so a deliberate sideways movement, like following a runner or a car, is not fought by the stabilization system. For handheld telephoto lens users, this is a significant feature.
Photo 2023 © Karen Hutton | FUJIFILM X-T5 and FUJINON XF100-400mmF4.5-5.6 R LM OIS WR, 1/480 sec at F13, ISO 320
Thirteen weather-resistant seals help keep out dust and moisture, and the lens operates in temperatures down to 14°F (-10°C), so conditions that would sideline less rugged equipment are not a concern. A fluorine coating on the front element repels water and dirt, making it easier to wipe clean between sessions.
Despite this durability, the lens weighs 1375g (3lb), keeping the whole setup manageable across a long day.
Chromatic aberration is kept in check with 21 elements in 14 groups, including five extra-low dispersion (ED) elements and one Super ED element, resulting in images that are sharp and clean at full zoom reach.
Maximum magnification reaches 0.19x at telephoto, enough for close work on smaller subjects. The lens is compatible with both FUJINON XF1.4X TC WR Teleconverter and XF2X TC WR Teleconverter, extending its range without the cost of a second lens.
A lens hood with a sliding window keeps a polarizing filter accessible even with the hood locked in place. That’s useful when you need to quickly adjust the strength of a variable neutral density filter without removing the lens hood.
An optional Arca-Swiss-compatible lens plate is also available for photographers who mount the lens on a tripod or gimbal for extended sessions.
XF100-400mmF4.5-5.6 is perfect for photographers working the following fields:
Wildlife and bird photographers who need working distance without a permanent hide
Sports photographers who need reach and speed to track fast, unpredictable action, especially when panning
Anyone photographing outdoors across long days who needs a telephoto zoom light enough to carry handheld
Photographers who want a single lens that extends further with a teleconverter rather than a second lens option
XF100-400mmF4.5-5.6 brings together the reach, speed, and durability that wildlife and sport photography demand, without the weight of a lens built purely for a tripod.
When mounted on an X Series camera body, the combined weight is still low enough for a full day’s carry, and the balance of the pairing allows you to easily keep moving between setups rather than staying anchored to one spot.
For anyone ready to move beyond a standard telephoto zoom, XF100-400mmF4.5-5.6 offers room to grow into faster, more distant subjects, with teleconverter compatibility keeping that reach open to further extensions.
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