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Panasonic LUMIX S 100-500mm F5-7.1 O.I.S. vs Sigma 100-400mm F5-6.3 DG DN OS | Contemporary (L-Mount)

Key differences

  • —The 100-400mm F5-6.3 DG DN OS | Contemporary (L-Mount) is 150g lighter (1135g vs 1285g).
  • —At launch the 100-400mm F5-6.3 DG DN OS | Contemporary (L-Mount) cost $1,151 less ($949 vs $2,100).
  • —For close-ups the LUMIX S 100-500mm F5-7.1 O.I.S. reaches 0.36× vs 0.24×.

Which to choose

  • LUMIX S 100-500mm F5-7.1 O.I.S.

    Choose it for:

    • +The longest reach: up to 500mm
    • +The best close-ups: 0.36× magnification
    • +Weather sealing
    • +The sharpest results in reviews
    • +The nicest background blur in reviews
    • +The fastest autofocus in reviews
  • 100-400mm F5-6.3 DG DN OS | Contemporary (L-Mount)

    Choose it for:

    • +The lightest option: 1135g, 150g less than the next
    • +The lowest launch price: $949, $1,151 less

Computed from published specs, confirmed launch prices and, where every lens has at least two reviews, review scores.

Panasonic
LUMIX S 100-500mm F5-7.1 O.I.S.
Panasonic LUMIX S 100-500mm F5-7.1 O.I.S.
Sigma
100-400mm F5-6.3 DG DN OS | Contemporary (L-Mount)
Sigma 100-400mm F5-6.3 DG DN OS | Contemporary (L-Mount)
CONTEMPORARY
Mount
L-Mount (FF)
L-Mount (FF)
Focal length
100–500mm
100–400mm
Max aperture
F5–7.1
F5–6.3
Weight
1,285g
1,135g◆
Dimensions ⌀ × L
92.0 × 196.1mm
86.0 × 197.2mm
Volume
1304 cm³
1145 cm³◆
Density
0.99 g/cm³
0.99 g/cm³
Filter thread
⌀82mm
⌀67mm
Min focus
0.80m◆
1.12m
Max magnification
0.36×◆
0.24×
Elements / groups
19 / 12
22 / 16
Aperture blades
11◆
9
Focus drive
Dual Phase Linear Motor
Stepping Motor
Stabilisation
Yes
Yes
Weather sealed
Yes
—
Aperture ring
—
—
Released
2025
2020
MSRP (USD)
$2,100
$949◆
Sharpness
8.6◆
8.1
Bokeh Rendering
8.5◆
7.4
Autofocus Speed
8.7◆
7.8
Flare Resistance
7.2
8.2◆
Build / Sealing
8.8◆
7.9
Value / Size
8.3
9.0◆
SHARPBOKEHAFFLAREBUILDVALUE

Performance overlay

  • LUMIX S 100-500mm F5-7.1 O.I.S.
  • 100-400mm F5-6.3 DG DN OS | Contemporary (L-Mount)

◆ marks the best value in a row. Scores are 0–10 editorial ratings.