Fujifilm XF 400mm F4.5 R LM OIS WR Fujinon
Quick answer
The Fujifilm XF 400mm F4.5 R LM OIS WR Fujinon is a super telephoto telephoto lens covering 400mm at f/4.5 for the Fujifilm X mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
- APS-C (600mm equiv.)
- 36 Fujifilm X cameras
- Focal
- 400mm
- Aperture
- f/4.5–22
- Weight
- 1245g
- Filter
- 95mm
- Min focus
- 2.75m
- AF motor
- Linear motor
What 400mm sees
- APS-C crop 1.5× → 600mm
- 4.1° 3.4° horizontal
Diagonal angle of view. Frames drawn to scale at 400mm. Calculated from the focal length and crop factor, not measured.
Open the field-of-view calculatorFujifilm XF 400mm F4.5 R LM OIS WR Fujinon specifications
Optics
- Focal length
- 400mm
- Maximum aperture
- f/4.5
- Minimum aperture
- f/22
- Format coverage
- APS-C
- Aperture blades
- 9
- Image stabilization
- Yes
Focus
- Autofocus motor
- Linear motor
- Minimum focus distance
- 2.75 m
- Maximum magnification
- 0.16×
Physical
- Weather sealing
- Yes
- Filter thread
- 95 mm
- Weight
- 1245 g
General
- Brand
- Fujifilm
- Mount
- Fujifilm X
- Lens type
- Telephoto
- Released
- 2026
Specification source: en.wikipedia.org
What can you shoot with the Fujifilm XF 400mm F4.5 R LM OIS WR Fujinon?
At 400mm this is a super telephoto telephoto, which typically suits:
- Wildlife and birds
- Motorsport and field sports
- Distant subjects and the moon
Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
Frequently asked questions
What mount does the Fujifilm XF 400mm F4.5 R LM OIS WR Fujinon use?
It uses the Fujifilm X mount, so it fits Fujifilm X cameras directly.
What is the focal length of the Fujifilm XF 400mm F4.5 R LM OIS WR Fujinon?
It is a fixed 400mm lens with a maximum aperture of f/4.5. That makes it a super telephoto lens.
Is the Fujifilm XF 400mm F4.5 R LM OIS WR Fujinon a prime or a zoom lens?
It is a prime lens with a fixed 400mm focal length. Primes usually open wider than zooms; this one opens to f/4.5.
What is the Fujifilm XF 400mm F4.5 R LM OIS WR Fujinon equivalent on a crop sensor?
On APS-C (1.5x crop) it frames like 600mm on full frame, with a 3.4° horizontal and 4.1° diagonal field of view. These figures are calculated from the focal length and crop factor.
Which cameras does the Fujifilm XF 400mm F4.5 R LM OIS WR Fujinon fit?
Any Fujifilm X-mount camera, including Fujifilm X-A2, Fujifilm X-A3, Fujifilm X-A5, Fujifilm X-E1, and Fujifilm X-E2 and 31 more.
Alternatives for Fujifilm X from other brands
All Fujifilm X lensesSame mount, overlapping focal range, closest maximum aperture first.
