Fujifilm has officially announced the FUJINON XF400mmF4.5 R LM OIS WR, a lightweight super‑telephoto prime lens for the X Series mirrorless system. With a focal length equivalent to 609mm in 35mm format and a bright maximum aperture of F4.5, the lens delivers outstanding optical performance while weighing only 1,245g. This makes dynamic long‑distance photography more accessible to enthusiasts and professionals alike.
Optical Performance
- 21 elements in 14 groups, including 2 Super ED and 4 ED elements.
- Exceptional resolution with chromatic aberration suppression.
- Compatible with teleconverters: XF1.4X TC WR (560mm / 853mm equiv.) and XF2X TC WR (800mm / 1,219mm equiv.).
Mobility and Durability
The XF400mmF4.5 achieves super‑telephoto reach in a compact form, balancing weight for handheld shooting. The barrel is sealed in 20 locations for dust and weather resistance, with fluorine coating on the front element to repel water and dirt. Operation is reliable down to –10°C, making it suitable for outdoor adventures.
Image Stabilization and Autofocus
- Up to 5.5 stops of optical image stabilization.
- High‑speed linear motor for fast, quiet, and accurate autofocus.
- Focus Preset and Focus Limiter functions for rapid subject acquisition.
- Customizable Focus Control Button for smooth AF operation.
Price and Availability
- Retail price: ¥220,000 (approx. $1,499 USD)
- Availability: Mid‑September 2026
XF400mmF4.5 at B&H Photo,
XF400mmF4.5 on Amazon,
XF1.4X Teleconverter at B&H Photo,
XF1.4X Teleconverter on Amazon,
XF2X Teleconverter at B&H Photo,
XF2X Teleconverter on Amazon,
Fujifilm X Series cameras at B&H Photo,
Fujifilm X Series cameras on Amazon.
Closing Thoughts
The FUJINON XF400mmF4.5 R LM OIS WR combines reach, portability, and professional‑grade optics in a lens designed for wildlife, sports, and aviation photography. With teleconverter compatibility and robust weather sealing, it strengthens Fujifilm’s X Series lineup and offers photographers a reliable super‑telephoto solution.
For background, see our Fujifilm archive, lens category section, and our Fujifilm X system guide.
Also join the Fujifilm Camera Users Facebook Group to share your Fujifilm photography.
