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FESony E278ZNikon Z141RFCanon RF96

Sony E-mount lenses

  • 7Artisans
  • Laowa
  • Samyang (Rokinon)
  • Sigma
  • Sirui
  • Sony
  • Tamron
  • Viltrox
  • Voigtländer
  • Zeiss
  • Ultra-Wide
  • Wide
  • Standard
  • Short Telephoto
  • Telephoto
  • Super-Telephoto
  • Macro

Nikon Z-mount lenses

  • 7Artisans
  • Laowa
  • Nikon
  • Samyang (Rokinon)
  • Sirui
  • Tamron
  • Viltrox
  • Voigtländer
  • Ultra-Wide
  • Wide
  • Standard
  • Short Telephoto
  • Telephoto
  • Super-Telephoto
  • Macro

Canon RF-mount lenses

  • 7Artisans
  • Canon
  • Laowa
  • Samyang (Rokinon)
  • Viltrox
  • Voigtländer
  • Ultra-Wide
  • Wide
  • Standard
  • Short Telephoto
  • Telephoto
  • Super-Telephoto
  • Macro

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Native full-frame mirrorless lenses only: no crop lenses, no adapted glass. Specifications, MTF charts and product images come from manufacturer publications and are credited on each page.

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Samyang 50mm F1.4 AS UMC vs Sony FE 50mm F1.8

Key differences

  • —The FE 50mm F1.8 is 379g lighter (186g vs 565g).
  • —The 50mm F1.4 AS UMC is faster: f/1.4 vs f/1.8 (≈0.7 stops more light).
  • —At launch the FE 50mm F1.8 cost $249 less ($250 vs $499).
  • —The 50mm F1.4 AS UMC is manual focus only.
  • —For close-ups the FE 50mm F1.8 reaches 0.14× vs 0.13×.
Samyang/Rokinon
50mm F1.4 AS UMC
Samyang 50mm F1.4 AS UMC
16842
Sony
FE 50mm F1.8
Sony FE 50mm F1.8
Mount
Sony E (FE)
Sony E (FE)
Focal length
50mm
50mm
Max aperture
F1.4◆
F1.8
Weight
565g
186g◆
Dimensions ⌀ × L
81.6 × 100.7mm
68.6 × 59.5mm
Volume
527 cm³
220 cm³◆
Density
1.07 g/cm³
0.85 g/cm³
Filter thread
⌀77mm
⌀49mm
Min focus
0.45m
0.45m
Max magnification
0.13×
0.14×◆
Elements / groups
9 / 6
6 / 5
Aperture blades
8◆
7
Focus drive
Manual Helicoid
DC Motor
Stabilisation
—
—
Weather sealed
—
—
Aperture ring
Yes
—
Released
2013
2016
MSRP (USD)
$499
$250◆
Sharpness
7.5◆
7.0
Bokeh Rendering
7.8◆
6.8
Autofocus Speed
MF
5.6
Flare Resistance
7.0◆
6.8
Build / Sealing
7.3◆
6.4
Value / Size
8.3
8.3
SHARPBOKEHAFFLAREBUILDVALUE

Performance overlay

  • 50mm F1.4 AS UMC
  • FE 50mm F1.8

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