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Samyang 50mm F1.4 AS UMC vs Sigma 50mm F2 DG | Contemporary

Key differences

  • —The 50mm F2 DG | Contemporary is 220g lighter (345g vs 565g).
  • —The 50mm F1.4 AS UMC is faster: f/1.4 vs f/2 (≈1.0 stops more light).
  • —At launch the 50mm F1.4 AS UMC cost $140 less ($499 vs $639).
  • —The 50mm F1.4 AS UMC is manual focus only.
  • —For close-ups the 50mm F2 DG | Contemporary reaches 0.14× vs 0.13×.
Samyang/Rokinon
50mm F1.4 AS UMC
Samyang 50mm F1.4 AS UMC
16842
Sigma
50mm F2 DG | Contemporary
Sigma 50mm F2 DG | Contemporary
16842CONTEMPORARY
Mount
Sony E (FE)
Sony E (FE)
Focal length
50mm
50mm
Max aperture
F1.4◆
F2
Weight
565g
345g◆
Dimensions ⌀ × L
81.6 × 100.7mm
70.0 × 70.0mm
Volume
527 cm³
269 cm³◆
Density
1.07 g/cm³
1.28 g/cm³
Filter thread
⌀77mm
⌀58mm
Min focus
0.45m
0.45m
Max magnification
0.13×
0.14×◆
Elements / groups
9 / 6
11 / 9
Aperture blades
8
9◆
Focus drive
Manual Helicoid
Stepping Motor
Stabilisation
—
—
Weather sealed
—
—
Aperture ring
Yes
Yes
Released
2013
2023
MSRP (USD)
$499◆
$639
Sharpness
7.5
8.7◆
Bokeh Rendering
7.8
8.1◆
Autofocus Speed
MF
8.0
Flare Resistance
7.0
8.0◆
Build / Sealing
7.3
8.9◆
Value / Size
8.3◆
7.9
SHARPBOKEHAFFLAREBUILDVALUE

Performance overlay

  • 50mm F1.4 AS UMC
  • 50mm F2 DG | Contemporary

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