Panasonic LUMIX S 18-40mm F4.5-6.3 vs Sigma 16-28mm F2.8 DG DN | Contemporary (L-Mount)
Key differences
- —The LUMIX S 18-40mm F4.5-6.3 is 295g lighter (155g vs 450g).
- —The 16-28mm F2.8 DG DN | Contemporary (L-Mount) is faster: f/2.8 vs f/4.5 (≈1.4 stops more light).
- —At launch the LUMIX S 18-40mm F4.5-6.3 cost $419 less ($480 vs $899).
- —For close-ups the LUMIX S 18-40mm F4.5-6.3 reaches 0.28× vs 0.18×.
Which to choose
- LUMIX S 18-40mm F4.5-6.3
Choose it for:
- +The lightest option: 155g, 295g less than the next
- +The longest reach: up to 40mm
- +The best close-ups: 0.28× magnification
- +Weather sealing
- +The lowest launch price: $480, $419 less
- 16-28mm F2.8 DG DN | Contemporary (L-Mount)
Choose it for:
- +The brightest aperture: f/2.8, about 1.4 stops more light
- +The widest view: starts at 16mm
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
- 18–40mm
- 16–28mm
- Max aperture
- F4.5–6.3
- F2.8◆
- Weight
- 155g◆
- 450g
- Dimensions ⌀ × L
- 67.9 × 40.9mm
- 77.2 × 100.6mm
- Volume
- 148 cm³◆
- 471 cm³
- Density
- 1.05 g/cm³
- 0.96 g/cm³
- Filter thread
- ⌀62mm
- ⌀72mm
- Min focus
- 0.15m◆
- 0.25m
- Max magnification
- 0.28×◆
- 0.18×
- Elements / groups
- 8 / 7
- 16 / 11
- Aperture blades
- 7
- 9◆
- Focus drive
- Stepping Motor
- Stepping Motor
- Stabilisation
- —
- —
- Weather sealed
- Yes
- —
- Aperture ring
- —
- —
- Released
- 2024
- 2022
- MSRP (USD)
- $480◆
- $899
- Sharpness
- 7.6
- 8.3◆
- Bokeh Rendering
- 6.8
- 7.4◆
- Autofocus Speed
- 8.4◆
- 8.3
- Flare Resistance
- 8.0
- —
- Build / Sealing
- 8.0◆
- 7.9
- Value / Size
- 8.6
- 8.8◆
Performance overlay
- LUMIX S 18-40mm F4.5-6.3
- 16-28mm F2.8 DG DN | Contemporary (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.