7Artisans AF 50mm F1.8 (L-Mount) vs Leica Summilux-SL 50 f/1.4 ASPH.
Key differences
- —The AF 50mm F1.8 (L-Mount) is 644g lighter (421g vs 1065g).
- —The Summilux-SL 50 f/1.4 ASPH. is faster: f/1.4 vs f/1.8 (≈0.7 stops more light).
- —For close-ups the AF 50mm F1.8 (L-Mount) reaches 0.13× vs 0.10×.
Which to choose
- AF 50mm F1.8 (L-Mount)
Choose it for:
- +The lightest option: 421g, 644g less than the next
- +A physical aperture ring
- Summilux-SL 50 f/1.4 ASPH.
Choose it for:
- +The brightest aperture: f/1.4, about 0.7 stop more light
- +Weather sealing
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
- F1.8
- F1.4◆
- Weight
- 421g◆
- 1,065g
- Dimensions ⌀ × L
- 72.0 × 104.0mm
- 88.0 × 124.0mm
- Volume
- 423 cm³◆
- 754 cm³
- Density
- 0.99 g/cm³
- 1.41 g/cm³
- Filter thread
- ⌀62mm
- ⌀82mm
- Min focus
- 0.50m◆
- 0.60m
- Max magnification
- 0.13×◆
- 0.10×
- Elements / groups
- 11 / 9
- 11 / 9
- Aperture blades
- 11◆
- 9
- Focus drive
- STM
- Motorized internal focusing (motor type not stated)
- Stabilisation
- —
- —
- Weather sealed
- —
- Yes
- Aperture ring
- Yes · de-click
- —
- Released
- 2025
- 2016
- MSRP (USD)
- $228
- Unconfirmed
- Sharpness
- 7.8
- 9.6◆
- Bokeh Rendering
- 7.8
- 9.0◆
- Autofocus Speed
- 7.3◆
- 7.0
- Flare Resistance
- 6.8
- 8.8◆
- Build / Sealing
- 7.8
- 9.4◆
- Value / Size
- 8.5◆
- 5.5
Performance overlay
- AF 50mm F1.8 (L-Mount)
- Summilux-SL 50 f/1.4 ASPH.
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

