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Panasonic

LUMIX S 100-400mm F5-6.3

Leica L Mount

LUMIX S 100-400mm F5-6.3 — 100–400mm f/5-6.3 for Leica L, a popular choice in the panasonic lineup.

$1,299

Launch price

Released Jan 2024

vs
LUMIX S PRO 24-70mm F2.8

Panasonic

LUMIX S PRO 24-70mm F2.8

Leica L Mount

LUMIX S PRO 24-70mm F2.8 — 24–70mm f/2.8 for Leica L, a popular choice in the panasonic lineup.

$2,199

Launch price

Released Oct 2019

LUMIX S 100-400mm F5-6.3 is 4.3 years newer.

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Wins

2categories

LUMIX S 100-400mm F5-6.3

WildlifeVideo & Hybrid

Wins

5categories

LUMIX S PRO 24-70mm F2.8

Sports & ActionLandscape

1 categories tied

Which would you choose?

TL;DR — Key differences

LUMIX S 100-400mm F5-6.3 wins 1 categories·LUMIX S PRO 24-70mm F2.8 wins 4 categories
  • ALUMIX S 100-400mm F5-6.3 has higher OIS effectiveness (5.5 stops vs 0 stops)
  • BLUMIX S PRO 24-70mm F2.8 has lower Min focus distance (37 cm vs 130 cm)
  • BLUMIX S PRO 24-70mm F2.8 has lower Max aperture (Tele) (f/2.8 vs f/6.3)
  • BLUMIX S PRO 24-70mm F2.8 has lower Max aperture (Wide) (f/2.8 vs f/5)
  • BLUMIX S PRO 24-70mm F2.8 has lower Length (140 mm vs 205.5 mm)

Key specs at a glance

LUMIX S 100-400mm F5-6.3LUMIX S PRO 24-70mm F2.8
Focal Length100-400 mm24-70 mm
Max Aperturef/5-6.3f/2.8
MountLeica LLeica L
CoverageFull FrameFull Frame
Stabilization5.5 stopsNo
Weight985 g935 g
Min Focus130 cm37 cm
Filter Size72 mm82 mm

Size and weight, to scale

LUMIX S 100-400mm F5-6.3

83 × 206 mm

985 g (2.17 lb / 34.74 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

LUMIX S PRO 24-70mm F2.8 shown to scale

LUMIX S PRO 24-70mm F2.8

91 × 140 mm

935 g (2.06 lb / 32.98 oz)

LUMIX S 100-400mm F5-6.3 is 66mm longer and 8mm narrower than LUMIX S PRO 24-70mm F2.8.

LUMIX S 100-400mm F5-6.3 is 50 g heavier than LUMIX S PRO 24-70mm F2.8.

Diameter (⌀) is the maximum barrel width; length is measured from the mount to the front of the lens.

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseLUMIX S 100-400mm F5-6.3LUMIX S PRO 24-70mm F2.8
Portrait
5.5Fair
4.5Fair
Sports & Action
6.5Good
6.5Good
Video & Hybrid
7.0Good
5.0Fair
Landscape
4.0Fair
6.0Good
Travel
5.0Fair
4.0Fair
Wildlife
9.5Excellent
3.0Limited
Macro & Close-up
3.5Limited
2.0Limited

Why pick one over the other

Reasons to choose the LUMIX S 100-400mm F5-6.3

  • Special elements

    Adds 2 ED, 1 UED

  • OIS effectiveness

    5.5 stops vs 0 stops — higher is better

  • Optical stabilization

    Only LUMIX S 100-400mm F5-6.3 supports it

  • Diameter

    83 mm vs 90.9 mm — lower is better

Reasons to choose the LUMIX S PRO 24-70mm F2.8

  • Special elements

    Adds Aspherical

  • Min focus distance

    37 cm vs 130 cm — lower is better

  • Max aperture (Tele)

    f/2.8 vs f/6.3 — lower is better

  • Max aperture (Wide)

    f/2.8 vs f/5 — lower is better

  • Length

    140 mm vs 205.5 mm — lower is better

  • Weight

    935 g vs 985 g — lower is better

Shared specifications

Max magnification

Both 0.25 ×

Internal focus

Both support internal focus

Weather sealing

Both support weather sealing

Control ring

Both support control ring

Custom function button

Both support custom function button

Pros & cons at a glance

Editorially curated highlights and trade-offs.

LUMIX S 100-400mm F5-6.3

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

LUMIX S PRO 24-70mm F2.8

Pros

  • Versatile zoom range covers multiple focal lengths in one lens
  • Weather-sealed construction for outdoor shooting
  • Native Leica L mount compatibility

Cons

  • Premium price point
  • Relatively heavy for extended handheld use
  • No optical stabilization — relies on body IBIS

Decided which one is right for you?

Compare live prices for the LUMIX S 100-400mm F5-6.3 and LUMIX S PRO 24-70mm F2.8 at major authorized retailers.

Panasonic LUMIX S 100-400mm F5-6.3

Panasonic LUMIX S PRO 24-70mm F2.8

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Full specifications

= category winner

LUMIX S 100-400mm F5-6.3
LUMIX S PRO 24-70mm F2.8
Focal length (Min)
100 mm
24 mm
Focal length (Max)
400 mm
70 mm
Max aperture (Wide)
f/5
f/2.8+1.7 stops wider
Max aperture (Tele)
f/6.3
f/2.8+2.3 stops wider
Elements
17
18
Groups
13
16
Special elements
2 ED, 1 UED
Aspherical
LUMIX S 100-400mm F5-6.3
LUMIX S PRO 24-70mm F2.8
Min focus distance
130 cm
37 cm−93 cm less
Max magnification
0.25 ×
0.25 ×
Autofocus motor
Linear motor
Linear / Stepping Motor
Internal focus
Yes
Yes
LUMIX S 100-400mm F5-6.3
LUMIX S PRO 24-70mm F2.8
Optical stabilization
Yes
No
OIS effectiveness
5.5 stops
0 stops
LUMIX S 100-400mm F5-6.3
LUMIX S PRO 24-70mm F2.8
Weight
985 g
935 g−50 g less
Length
205.5 mm
140 mm−66 mm less
Diameter
83 mm−8 mm less
90.9 mm
Filter thread size
72 mm
82 mm
Weather sealing
Yes
Yes
Diaphragm blades
9
11
LUMIX S 100-400mm F5-6.3
LUMIX S PRO 24-70mm F2.8
Lens mount
Leica L
Leica L
Format coverage
Full Frame
Full Frame

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