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Leica APO-Summicron-SL 50 f/2 ASPH. vs Sigma 50mm F2 DG | Contemporary (L-Mount)

Key differences

  • —The 50mm F2 DG | Contemporary (L-Mount) is 390g lighter (350g vs 740g).
  • —For close-ups the APO-Summicron-SL 50 f/2 ASPH. reaches 0.20× vs 0.14×.

Which to choose

  • APO-Summicron-SL 50 f/2 ASPH.

    Choose it for:

    • +The best close-ups: 0.20× magnification
    • +Weather sealing
  • 50mm F2 DG | Contemporary (L-Mount)

    Choose it for:

    • +The lightest option: 350g, 390g less than the next
    • +A physical aperture ring

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

Leica
APO-Summicron-SL 50 f/2 ASPH.
Leica APO-Summicron-SL 50 f/2 ASPH.
APO-SUMMICRON-
Sigma
50mm F2 DG | Contemporary (L-Mount)
Sigma 50mm F2 DG | Contemporary (L-Mount)
16842CONTEMPORARY
Mount
L-Mount (FF)
L-Mount (FF)
Focal length
50mm
50mm
Max aperture
F2
F2
Weight
740g
350g◆
Dimensions ⌀ × L
73.0 × 102.0mm
70.0 × 68.0mm
Volume
427 cm³
262 cm³◆
Density
1.73 g/cm³
1.34 g/cm³
Filter thread
⌀67mm
⌀58mm
Min focus
0.35m◆
0.45m
Max magnification
0.20×◆
0.14×
Elements / groups
12 / 10
11 / 9
Aperture blades
Not published
9
Focus drive
Stepping motors (Dual Syncro Drive)
Stepping Motor
Stabilisation
—
—
Weather sealed
Yes
—
Aperture ring
—
Yes
Released
2019
2023
MSRP (USD)
$4,495
Unconfirmed
Sharpness
9.6◆
8.9
Bokeh Rendering
8.9◆
8.1
Autofocus Speed
8.6◆
8.3
Flare Resistance
8.5◆
8.2
Build / Sealing
9.4◆
9.0
Value / Size
6.5
8.0◆
SHARPBOKEHAFFLAREBUILDVALUE

Performance overlay

  • APO-Summicron-SL 50 f/2 ASPH.
  • 50mm F2 DG | Contemporary (L-Mount)

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