Leica APO-Summicron-SL 50 f/2 ASPH. vs Sigma 50mm F1.2 DG DN | Art (L-Mount)
Key differences
- —The 50mm F1.2 DG DN | Art (L-Mount) is faster: f/1.2 vs f/2 (≈1.5 stops more light).
- —At launch the 50mm F1.2 DG DN | Art (L-Mount) cost $3,096 less ($1,399 vs $4,495).
- —For close-ups the APO-Summicron-SL 50 f/2 ASPH. reaches 0.20× vs 0.16×.
Which to choose
- APO-Summicron-SL 50 f/2 ASPH.
Choose it for:
- +The best close-ups: 0.20× magnification
- 50mm F1.2 DG DN | Art (L-Mount)
Choose it for:
- +The brightest aperture: f/1.2, about 1.5 stops more light
- +A physical aperture ring
- +The lowest launch price: $1,399, $3,096 less
Computed from published specs, confirmed launch prices and, where every lens has at least two reviews, review scores.
- Mount
- L-Mount (FF)
- L-Mount (FF)
- Focal length
- 50mm
- 50mm
- Max aperture
- F2
- F1.2◆
- Weight
- 740g◆
- 745g
- Dimensions ⌀ × L
- 73.0 × 102.0mm
- 81.0 × 108.8mm
- Volume
- 427 cm³◆
- 561 cm³
- Density
- 1.73 g/cm³
- 1.33 g/cm³
- Filter thread
- ⌀67mm
- ⌀72mm
- Min focus
- 0.35m◆
- 0.40m
- Max magnification
- 0.20×◆
- 0.16×
- Elements / groups
- 12 / 10
- 17 / 12
- Aperture blades
- Not published
- 13
- Focus drive
- Stepping motors (Dual Syncro Drive)
- Dual HLA (High-response Linear Actuator)
- Stabilisation
- —
- —
- Weather sealed
- Yes
- Yes
- Aperture ring
- —
- Yes · de-click
- Released
- 2019
- 2024
- MSRP (USD)
- $4,495
- $1,399◆
- Sharpness
- 9.6◆
- 9.2
- Bokeh Rendering
- 8.9
- 9.1◆
- Autofocus Speed
- 8.6
- 8.8◆
- Flare Resistance
- 8.5
- 8.8◆
- Build / Sealing
- 9.4◆
- 9.0
- Value / Size
- 6.5
- 8.6◆
Performance overlay
- APO-Summicron-SL 50 f/2 ASPH.
- 50mm F1.2 DG DN | Art (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.