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Fujifilm

XF 100-400mm F4.5-5.6 R LM OIS WR

Fujifilm X Mount

XF 100-400mm F4.5-5.6 R LM OIS WR — 100–400mm f/4.5-5.6 for Fujifilm X, a popular choice in the fujifilm lineup.

$1,899

Launch price

Released Jan 2016

vs

Fujifilm

XF 23mm F1.4 R LM WR II

Fujifilm X Mount

XF 23mm F1.4 R LM WR II — 23mm f/1.4 for Fujifilm X, a popular choice in the fujifilm lineup.

$899

Launch price

Released Sep 2021

XF 23mm F1.4 R LM WR II is 5.7 years newer.

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Wins

2categories

XF 100-400mm F4.5-5.6 R LM OIS WR

WildlifeVideo & Hybrid

Wins

6categories

XF 23mm F1.4 R LM WR II

LandscapePortrait

TL;DR — Key differences

XF 100-400mm F4.5-5.6 R LM OIS WR wins 1 categories·XF 23mm F1.4 R LM WR II wins 4 categories
  • AXF 100-400mm F4.5-5.6 R LM OIS WR has higher OIS effectiveness (5 stops vs 0 stops)
  • BXF 23mm F1.4 R LM WR II has lower Max aperture (Tele) (f/1.4 vs f/5.6)
  • BXF 23mm F1.4 R LM WR II has lower Weight (375 g vs 1375 g)
  • BXF 23mm F1.4 R LM WR II has lower Max aperture (Wide) (f/1.4 vs f/4.5)
  • BXF 23mm F1.4 R LM WR II has lower Length (103 mm vs 243 mm)

Key specs at a glance

XF 100-400mm F4.5-5.6 R LM OIS WRXF 23mm F1.4 R LM WR II
Focal Length100-400 mm23 mm
Max Aperturef/4.5-5.6f/1.4
MountFujifilm XFujifilm X
CoverageAPS-CAPS-C
Stabilization5 stopsNo
Weight1375 g375 g
Min Focus38 cm30 cm
Filter Size67 mm62 mm

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseXF 100-400mm F4.5-5.6 R LM OIS WRXF 23mm F1.4 R LM WR II
Portrait
5.5Fair
6.5Good
Sports & Action
6.5Good
6.5Good
Video & Hybrid
7.0Good
3.5Limited
Landscape
3.0Limited
8.0Excellent
Travel
5.0Fair
5.0Fair
Wildlife
9.5Excellent
3.0Limited
Macro & Close-up
3.5Limited
1.5Limited

Why pick one over the other

Reasons to choose the XF 100-400mm F4.5-5.6 R LM OIS WR

  • OIS effectiveness

    5 stops vs 0 stops — higher is better

  • Optical stabilization

    Only XF 100-400mm F4.5-5.6 R LM OIS WR supports it

  • Control ring

    Only XF 100-400mm F4.5-5.6 R LM OIS WR supports it

  • Custom function button

    Only XF 100-400mm F4.5-5.6 R LM OIS WR supports it

  • Max magnification

    0.25 × vs 0.15 × — higher is better

Reasons to choose the XF 23mm F1.4 R LM WR II

  • Max aperture (Tele)

    f/1.4 vs f/5.6 — lower is better

  • Weight

    375 g vs 1375 g — lower is better

  • Max aperture (Wide)

    f/1.4 vs f/4.5 — lower is better

  • Length

    103 mm vs 243 mm — lower is better

  • Special elements

    Adds ED

  • Min focus distance

    30 cm vs 38 cm — lower is better

  • Diameter

    65 mm vs 70 mm — lower is better

Shared specifications

Internal focus

Both support internal focus

Weather sealing

Both support weather sealing

Pros & cons at a glance

Editorially curated highlights and trade-offs.

XF 100-400mm F4.5-5.6 R LM OIS WR

Pros

  • Versatile zoom range covers multiple focal lengths in one lens
  • Built-in optical image stabilization
  • Weather-sealed construction for outdoor shooting

Cons

  • Relatively heavy for extended handheld use
  • Slower maximum aperture limits low-light performance

XF 23mm F1.4 R LM WR II

Pros

  • Bright f/1.4 aperture for low light and subject separation
  • Prime design typically delivers strong sharpness and lighter weight
  • Weather-sealed construction for outdoor shooting
  • Lightweight design easy to carry all day

Cons

  • Third-party or older alternatives may offer better value

Decided which one is right for you?

Compare live prices for the XF 100-400mm F4.5-5.6 R LM OIS WR and XF 23mm F1.4 R LM WR II at major authorized retailers.

Fujifilm XF 100-400mm F4.5-5.6 R LM OIS WR

Fujifilm XF 23mm F1.4 R LM WR II

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Full specifications

= category winner

XF 100-400mm F4.5-5.6 R LM OIS WR
XF 23mm F1.4 R LM WR II
Focal length (Min)
100 mm
23 mm
Focal length (Max)
400 mm
23 mm
Max aperture (Wide)
f/4.5
f/1.4+3.4 stops wider
Max aperture (Tele)
f/5.6
f/1.4+4 stops wider
Elements
23
10
Groups
17
8
Special elements
Aspherical
Aspherical, ED
XF 100-400mm F4.5-5.6 R LM OIS WR
XF 23mm F1.4 R LM WR II
Min focus distance
38 cm
30 cm−8 cm less
Max magnification
0.25 ×+67%
0.15 ×
Autofocus motor
Linear / Stepping Motor
Linear / Stepping Motor
Internal focus
Yes
Yes
XF 100-400mm F4.5-5.6 R LM OIS WR
XF 23mm F1.4 R LM WR II
Optical stabilization
Yes
No
OIS effectiveness
5 stops
0 stops
XF 100-400mm F4.5-5.6 R LM OIS WR
XF 23mm F1.4 R LM WR II
Weight
1375 g
375 g−1,000 g less
Length
243 mm
103 mm−140 mm less
Diameter
70 mm
65 mm−5 mm less
Filter thread size
67 mm
62 mm
Weather sealing
Yes
Yes
Diaphragm blades
9
11
XF 100-400mm F4.5-5.6 R LM OIS WR
XF 23mm F1.4 R LM WR II
Lens mount
Fujifilm X
Fujifilm X
Format coverage
APS-C
APS-C

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.