Panasonic LUMIX S 20-60mm F3.5-5.6 vs Sigma 28-45mm F1.8 DG DN | Art (L-Mount)
Key differences
- —The LUMIX S 20-60mm F3.5-5.6 is 610g lighter (350g vs 960g).
- —The 28-45mm F1.8 DG DN | Art (L-Mount) is faster: f/1.8 vs f/3.5 (≈1.9 stops more light).
- —At launch the LUMIX S 20-60mm F3.5-5.6 cost $751 less ($598 vs $1,349).
- —For close-ups the LUMIX S 20-60mm F3.5-5.6 reaches 0.43× vs 0.25×.
Which to choose
- LUMIX S 20-60mm F3.5-5.6
Choose it for:
- +The lightest option: 350g, 610g less than the next
- +The widest view: starts at 20mm
- +The longest reach: up to 60mm
- +The best close-ups: 0.43× magnification
- +The lowest launch price: $598, $751 less
- 28-45mm F1.8 DG DN | Art (L-Mount)
Choose it for:
- +The brightest aperture: f/1.8, about 1.9 stops more light
- +A physical aperture ring
- +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
- 20–60mm
- 28–45mm
- Max aperture
- F3.5–5.6
- F1.8◆
- Weight
- 350g◆
- 960g
- Dimensions ⌀ × L
- 77.4 × 87.2mm
- 87.8 × 151.4mm
- Volume
- 410 cm³◆
- 917 cm³
- Density
- 0.85 g/cm³
- 1.05 g/cm³
- Filter thread
- ⌀67mm
- ⌀82mm
- Min focus
- 0.15m◆
- 0.30m
- Max magnification
- 0.43×◆
- 0.25×
- Elements / groups
- 11 / 9
- 18 / 15
- Aperture blades
- 9
- 11◆
- Focus drive
- Stepping Motor
- HLA (High-response Linear Actuator)
- Stabilisation
- —
- —
- Weather sealed
- Yes
- Yes
- Aperture ring
- —
- Yes · de-click
- Released
- 2020
- 2024
- MSRP (USD)
- $598◆
- $1,349
- Sharpness
- 8.0
- 9.3◆
- Bokeh Rendering
- 6.8
- 8.8◆
- Autofocus Speed
- 8.3
- 8.8◆
- Flare Resistance
- 7.5
- 8.6◆
- Build / Sealing
- 8.2
- 9.0◆
- Value / Size
- 9.0◆
- 8.5
Performance overlay
- LUMIX S 20-60mm F3.5-5.6
- 28-45mm F1.8 DG DN | Art (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

