Full Frame Glass
FESony E278ZNikon Z141RFCanon RF96LL-Mount151

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

L-Mount lenses

  • 7Artisans
  • Laowa
  • Leica
  • Panasonic
  • Samyang (Rokinon)
  • Sigma
  • Sirui
  • Viltrox
  • Ultra-Wide
  • Wide
  • Standard
  • Short Telephoto
  • Telephoto
  • Super-Telephoto
  • Macro

Full Frame Glass

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.

  • About & methodology
  • Affiliate disclosure
  • Privacy
  • Terms
  • Contact
  • © Full Frame Glass
Register/Compare

Leica APO-Summicron-SL 50 f/2 ASPH. vs Leica Summicron-SL 50 f/2 ASPH.

Key differences

  • —The Summicron-SL 50 f/2 ASPH. is 338g lighter (402g vs 740g).
  • —At launch the Summicron-SL 50 f/2 ASPH. cost $2,600 less ($1,895 vs $4,495).
  • —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
  • Summicron-SL 50 f/2 ASPH.

    Choose it for:

    • +The lightest option: 402g, 338g less than the next
    • +The lowest launch price: $1,895, $2,600 less

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-
Leica
Summicron-SL 50 f/2 ASPH.
Leica Summicron-SL 50 f/2 ASPH.
SUMMICRON-SL
Mount
L-Mount (FF)
L-Mount (FF)
Focal length
50mm
50mm
Max aperture
F2
F2
Weight
740g
402g◆
Dimensions ⌀ × L
73.0 × 102.0mm
74.5 × 83.0mm
Volume
427 cm³
362 cm³◆
Density
1.73 g/cm³
1.11 g/cm³
Filter thread
⌀67mm
⌀67mm
Min focus
0.35m◆
0.45m
Max magnification
0.20×◆
0.14×
Elements / groups
12 / 10
9 / 8
Aperture blades
Not published
Not published
Focus drive
Stepping motors (Dual Syncro Drive)
Linear direct drive
Stabilisation
—
—
Weather sealed
Yes
Yes
Aperture ring
—
—
Released
2019
2023
MSRP (USD)
$4,495
$1,895◆
Sharpness
9.6◆
8.6
Bokeh Rendering
8.9◆
8.4
Autofocus Speed
8.6
8.6
Flare Resistance
8.5◆
8.0
Build / Sealing
9.4◆
9.0
Value / Size
6.5
7.5◆
SHARPBOKEHAFFLAREBUILDVALUE

Performance overlay

  • APO-Summicron-SL 50 f/2 ASPH.
  • Summicron-SL 50 f/2 ASPH.

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