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Fujinon XF100-400mmF4.5-5.6 R LM OIS WR vs Fujinon XF500mmF5.6 R LM OIS WR
Short answer
The Fujinon XF100-400mmF4.5-5.6 R LM OIS WR (100–400mm) and Fujinon XF500mmF5.6 R LM OIS WR (500mm) are both super-telephoto lenses for the Fujifilm X mount. The Fujinon XF100-400mmF4.5-5.6 R LM OIS WR is the faster lens at f/4.5–5.6 against f/5.6 on the Fujinon XF500mmF5.6 R LM OIS WR.
Fujinon XF100-400mmF4.5-5.6 R LM OIS WR: 4 specs ahead
Side by side
| Fujinon XF100-400mmF4.5-5.6 R LM OIS WR | Fujinon XF500mmF5.6 R LM OIS WR | |
|---|---|---|
| Brand | Fujifilm | Fujifilm |
| Focal length | 100–400mm | 500mm |
| 35mm equivalent | 150–600mm | 750mm |
| Maximum aperture | f/4.5–5.6 | f/5.6 |
| Mount | Fujifilm X | Fujifilm X |
| Autofocus | Yes | Yes |
| Optical stabilisation | Yes | Yes |
| Weather resistant | Yes | Yes |
| Aperture ring | Yes | Yes |
| Macro | No | No |
| Linear motor | Yes | Yes |
| Minimum aperture | f/22 | f/22 |
| Aperture blades | 9 | 9 |
| Lens construction | 21 elements in 14 groups | 21 elements in 14 groups |
| Special elements | 5 extra low dispersion elements and 1 super extra low dispersion element | 2 super ED and 5 ED elements |
| Angle of view | 16.2°- 4.1° | 3.3° |
| Minimum focus | 1.75 m | 2.75 m |
| Maximum magnification | 0.19× | 0.2× |
| Weight | 1375 g | 1335 g |
| Diameter | ⌀94.8 mm | ⌀104.5 mm |
| Length | 210.5–270 mm | 255.5 mm |
| Filter thread | ⌀77 mm | ⌀95 mm |
Where each one is ahead
Reasons to choose the Fujinon XF100-400mmF4.5-5.6 R LM OIS WR
- Wider view 150 mm vs 750 mm
- Maximum aperture f/4.5–5.6 vs f/5.6
- Minimum focus 1.75 m vs 2.75 m
- Diameter ⌀94.8 mm vs ⌀104.5 mm
- Length 210.5–270 mm vs 255.5 mm
Reasons to choose the Fujinon XF500mmF5.6 R LM OIS WR
- Longer reach 750 mm vs 600 mm
- Maximum magnification 0.2× vs 0.19×
- Weight 1335 g vs 1375 g
Both have weather sealing, an aperture ring, optical stabilisation, and a linear focus motor.
Neither has a macro design.
Framing and reach
| Lens | Frames like | Horizontal view | Frame width at 10 m |
|---|---|---|---|
| Fujinon XF100-400mmF4.5-5.6 R LM OIS WR | 150–600 mm | 13.4°–3.4° | 2.4–0.6 m |
| Fujinon XF500mmF5.6 R LM OIS WR | 750 mm | 2.7° | 0.5 m |
The Fujinon XF500mmF5.6 R LM OIS WR gets 1.25× closer to the subject than the Fujinon XF100-400mmF4.5-5.6 R LM OIS WR: whatever it points at fills 1.25× more of the frame edge to edge, or 1.6× more of its area. With the Fujinon XF100-400mmF4.5-5.6 R LM OIS WR you would have to walk about 20% of the distance towards the subject to get the same picture — or crop it later, which leaves roughly 64% of the original pixels.
Angles and widths are calculated from focal length and sensor width, horizontally, on the native sensor of each mount.
Size and weight
- The Fujinon XF500mmF5.6 R LM OIS WR is 40 g lighter than the Fujinon XF100-400mmF4.5-5.6 R LM OIS WR, about 3% less.
- The Fujinon XF500mmF5.6 R LM OIS WR is 45 mm longer.
- The Fujinon XF500mmF5.6 R LM OIS WR is 9.7 mm wider.
- The Fujinon XF100-400mmF4.5-5.6 R LM OIS WR takes ⌀77 mm filters and the Fujinon XF500mmF5.6 R LM OIS WR ⌀95 mm, so filters are not shared.
What each one suits
| Fujinon XF100-400mmF4.5-5.6 R LM OIS WR | Fujinon XF500mmF5.6 R LM OIS WR | |
|---|---|---|
| Birds and wildlife | Excellent | Excellent |
| Sports | Poor | Poor |
| Portrait | Poor | Poor |
| Travel | Good | Poor |
| Street | Poor | Poor |
| Weddings | Poor | Poor |
| Walk around | Good | Poor |
| Vlogging | Poor | Poor |
| Landscape | Poor | Poor |
| Macro | Poor | Poor |
Scored from the published specifications — focal length, aperture, stabilisation, weather sealing and weight. Sharpness, bokeh and rendering are not in a spec sheet and are not scored here.
Cameras that take both
Both lenses fit every interchangeable-lens X Series body — 34 in our list. Fixed-lens models such as the X100 series cannot take them.
Which one to choose
Choose the Fujinon XF100-400mmF4.5-5.6 R LM OIS WR if
- low light is the priority. At f/4.5–5.6 it lets in 0.6 stops more than f/5.6 — faster shutter speeds indoors and softer backgrounds.
Everything above comes from published specifications. How sharp each lens is, how quickly it focuses and what its pictures look like are not in any spec sheet, so this comparison does not try to judge them.
Common questions
Which is lighter, the Fujinon XF100-400mmF4.5-5.6 R LM OIS WR or the Fujinon XF500mmF5.6 R LM OIS WR?
The Fujinon XF500mmF5.6 R LM OIS WR, by 40 g — about 3% less.
Which is better in low light, the Fujinon XF100-400mmF4.5-5.6 R LM OIS WR or the Fujinon XF500mmF5.6 R LM OIS WR?
The Fujinon XF100-400mmF4.5-5.6 R LM OIS WR. At f/4.5–5.6 against f/5.6 it gathers 0.6 stops more light, which matters without flash and for background blur. Stabilisation can offset some of that for still subjects, but not for moving ones.
Do the Fujinon XF100-400mmF4.5-5.6 R LM OIS WR and Fujinon XF500mmF5.6 R LM OIS WR use the same filters?
No. The Fujinon XF100-400mmF4.5-5.6 R LM OIS WR takes ⌀77 mm and the Fujinon XF500mmF5.6 R LM OIS WR ⌀95 mm. A step-up ring lets the smaller lens use the larger filters.
Will both lenses fit my camera?
Both use the Fujifilm X mount, so they fit any X Series camera with interchangeable lenses. They do not fit fixed-lens models such as the X100 series or GFX bodies.
compare.faqTitle
Which one is lighter?
The Fujinon XF500mmF5.6 R LM OIS WR, by 40 g (1335 g against 1375 g).
Which is better, the Fujinon XF100-400mmF4.5-5.6 R LM OIS WR or the Fujinon XF500mmF5.6 R LM OIS WR?
On measurable specs the Fujinon XF100-400mmF4.5-5.6 R LM OIS WR leads, 4 wins against 2. That is a spec count, not a field test.
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Built from the specifications Fujifilm publishes.