Leica Summilux-SL 50 f/1.4 ASPH. vs Leica APO-Summicron-SL 50 f/2 ASPH.
Key differences
- —The APO-Summicron-SL 50 f/2 ASPH. is 325g lighter (740g vs 1065g).
- —The Summilux-SL 50 f/1.4 ASPH. is faster: f/1.4 vs f/2 (≈1.0 stops more light).
- —For close-ups the APO-Summicron-SL 50 f/2 ASPH. reaches 0.20× vs 0.10×.
Which to choose
- Summilux-SL 50 f/1.4 ASPH.
Choose it for:
- +The brightest aperture: f/1.4, about 1.0 stop more light
- APO-Summicron-SL 50 f/2 ASPH.
Choose it for:
- +The lightest option: 740g, 325g less than the next
- +The best close-ups: 0.20× magnification
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
- F1.4◆
- F2
- Weight
- 1,065g
- 740g◆
- Dimensions ⌀ × L
- 88.0 × 124.0mm
- 73.0 × 102.0mm
- Volume
- 754 cm³
- 427 cm³◆
- Density
- 1.41 g/cm³
- 1.73 g/cm³
- Filter thread
- ⌀82mm
- ⌀67mm
- Min focus
- 0.60m
- 0.35m◆
- Max magnification
- 0.10×
- 0.20×◆
- Elements / groups
- 11 / 9
- 12 / 10
- Aperture blades
- 9
- Not published
- Focus drive
- Motorized internal focusing (motor type not stated)
- Stepping motors (Dual Syncro Drive)
- Stabilisation
- —
- —
- Weather sealed
- Yes
- Yes
- Aperture ring
- —
- —
- Released
- 2016
- 2019
- MSRP (USD)
- Unconfirmed
- $4,495
- Sharpness
- 9.6
- 9.6
- Bokeh Rendering
- 9.0◆
- 8.9
- Autofocus Speed
- 7.0
- 8.6◆
- Flare Resistance
- 8.8◆
- 8.5
- Build / Sealing
- 9.4
- 9.4
- Value / Size
- 5.5
- 6.5◆
Performance overlay
- Summilux-SL 50 f/1.4 ASPH.
- APO-Summicron-SL 50 f/2 ASPH.
◆ marks the best value in a row. Scores are 0–10 editorial ratings.