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Sigma 28-45mm F1.8 DG DN | Art vs Sony FE 20-70mm F4 G

Key differences

  • —The FE 20-70mm F4 G is 462g lighter (488g vs 950g).
  • —The 28-45mm F1.8 DG DN | Art is faster: f/1.8 vs f/4 (≈2.3 stops more light).
  • —At launch the FE 20-70mm F4 G cost $249 less ($1,100 vs $1,349).
  • —For close-ups the FE 20-70mm F4 G reaches 0.39× vs 0.25×.
Sigma
28-45mm F1.8 DG DN | Art
Sigma 28-45mm F1.8 DG DN | Art
16842ART
Sony
FE 20-70mm F4 G
Sony FE 20-70mm F4 G
16842G
Mount
Sony E (FE)
Sony E (FE)
Focal length
28–45mm
20–70mm
Max aperture
F1.8◆
F4
Weight
950g
488g◆
Dimensions ⌀ × L
87.8 × 153.4mm
78.7 × 99.0mm
Volume
929 cm³
482 cm³◆
Density
1.02 g/cm³
1.01 g/cm³
Filter thread
⌀82mm
⌀72mm
Min focus
0.30m
0.25m◆
Max magnification
0.25×
0.39×◆
Elements / groups
18 / 15
16 / 13
Aperture blades
11◆
9
Focus drive
HLA Linear Motor
XD Linear Motor (x2)
Stabilisation
—
—
Weather sealed
Yes
Yes
Aperture ring
Yes · de-click
Yes · de-click
Released
2024
2023
MSRP (USD)
$1,349
$1,100◆
Sharpness
9.2◆
8.8
Bokeh Rendering
8.7◆
7.4
Autofocus Speed
8.8
9.0◆
Flare Resistance
8.5◆
8.3
Build / Sealing
9.0◆
8.6
Value / Size
8.4
8.4
SHARPBOKEHAFFLAREBUILDVALUE

Performance overlay

  • 28-45mm F1.8 DG DN | Art
  • FE 20-70mm F4 G

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