Fujifilm · XF
XF 400mm ƒ/4.5 R LM OIS WR
FUJINON XF400mmF4.5 R LM OIS WR
Fujifilm XF 400mm ƒ/4.5 R LM OIS WR is a 400mm prime lens for the Fujifilm X mount, equivalent to 600mm on full frame, with a maximum aperture of ƒ/4.5 and autofocus. It weighs 1245 g.

Optics
- Type
- Prime · Photo
- Focal length
- 400mm (600mm eq.)
- Angle of view
- 4.1°
- Aperture
- ƒ/4.5 – ƒ/22
- Blades
- 9, rounded
- Aperture ring
- Clicked
- Construction
- 21 el. / 14 gr.
- Special elements
- 4 ED, 2 Super ED
- Designations
- R · LM · OIS · WR
- Designed for
- APS-C
Focus
- Type
- Autofocus, linear motor
- Minimum distance
- 2.75 m
- Magnification
- 0.16× (1:6.3)
Size and mount
- Diameter × length
- 104.5 × 239.5 mm
- Weight
- 1245 g
- Filter
- 95 mm front
- Mount
- Native X mount
Features
- Yes
- Weather sealed, Stabilized, Aperture ring, Electronic contacts, Internal focus, TC compatible
- No
- Clickless aperture
History
Length is from the lens mount flange. Weight excludes cap and hood.