7Artisans AF 50mm F1.8 (L-Mount) vs Sigma 50mm F1.2 DG DN | Art (L-Mount)
Key differences
- —The AF 50mm F1.8 (L-Mount) is 324g lighter (421g vs 745g).
- —The 50mm F1.2 DG DN | Art (L-Mount) is faster: f/1.2 vs f/1.8 (≈1.2 stops more light).
- —At launch the AF 50mm F1.8 (L-Mount) cost $1,171 less ($228 vs $1,399).
- —For close-ups the 50mm F1.2 DG DN | Art (L-Mount) reaches 0.16× vs 0.13×.
Which to choose
- AF 50mm F1.8 (L-Mount)
Choose it for:
- +The lightest option: 421g, 324g less than the next
- +The lowest launch price: $228, $1,171 less
- 50mm F1.2 DG DN | Art (L-Mount)
Choose it for:
- +The brightest aperture: f/1.2, about 1.2 stops more light
- +Weather sealing
- +The sharpest results in reviews
- +The nicest background blur in reviews
- +The fastest autofocus in reviews
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
- F1.2◆
- Weight
- 421g◆
- 745g
- Dimensions ⌀ × L
- 72.0 × 104.0mm
- 81.0 × 108.8mm
- Volume
- 423 cm³◆
- 561 cm³
- Density
- 0.99 g/cm³
- 1.33 g/cm³
- Filter thread
- ⌀62mm
- ⌀72mm
- Min focus
- 0.50m
- 0.40m◆
- Max magnification
- 0.13×
- 0.16×◆
- Elements / groups
- 11 / 9
- 17 / 12
- Aperture blades
- 11
- 13◆
- Focus drive
- STM
- Dual HLA (High-response Linear Actuator)
- Stabilisation
- —
- —
- Weather sealed
- —
- Yes
- Aperture ring
- Yes · de-click
- Yes · de-click
- Released
- 2025
- 2024
- MSRP (USD)
- $228◆
- $1,399
- Sharpness
- 7.8
- 9.2◆
- Bokeh Rendering
- 7.8
- 9.1◆
- Autofocus Speed
- 7.3
- 8.8◆
- Flare Resistance
- 6.8
- 8.8◆
- Build / Sealing
- 7.8
- 9.0◆
- Value / Size
- 8.5
- 8.6◆
Performance overlay
- AF 50mm F1.8 (L-Mount)
- 50mm F1.2 DG DN | Art (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.