Panasonic LUMIX S 85mm F1.8 vs Sirui Aurora 85mm F1.4 (L-Mount)
Key differences
- —The LUMIX S 85mm F1.8 is 195g lighter (355g vs 550g).
- —The Aurora 85mm F1.4 (L-Mount) is faster: f/1.4 vs f/1.8 (≈0.7 stops more light).
- —For close-ups the LUMIX S 85mm F1.8 reaches 0.13× vs 0.12×.
Which to choose
- LUMIX S 85mm F1.8
Choose it for:
- +The lightest option: 355g, 195g less than the next
- +The sharpest results in reviews
- +The fastest autofocus in reviews
- Aurora 85mm F1.4 (L-Mount)
Choose it for:
- +The brightest aperture: f/1.4, about 0.7 stop more light
- +A physical aperture ring
- +The nicest background blur 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
- 85mm
- 85mm
- Max aperture
- F1.8
- F1.4◆
- Weight
- 355g◆
- 550g
- Dimensions ⌀ × L
- 73.6 × 82.0mm
- 80.3 × 94.8mm
- Volume
- 349 cm³◆
- 480 cm³
- Density
- 1.02 g/cm³
- 1.15 g/cm³
- Filter thread
- ⌀67mm
- ⌀67mm
- Min focus
- 0.80m◆
- 0.85m
- Max magnification
- 0.13×◆
- 0.12×
- Elements / groups
- 9 / 8
- 14 / 9
- Aperture blades
- 9
- 15◆
- Focus drive
- Linear Motor
- STM
- Stabilisation
- —
- —
- Weather sealed
- Yes
- Yes
- Aperture ring
- —
- Yes · de-click
- Released
- 2020
- 2025
- MSRP (USD)
- Unconfirmed
- Unconfirmed
- Sharpness
- 8.4◆
- 8.1
- Bokeh Rendering
- 8.4
- 8.8◆
- Autofocus Speed
- 8.5◆
- 7.0
- Flare Resistance
- 7.7◆
- 6.2
- Build / Sealing
- 8.0
- 8.1◆
- Value / Size
- 8.8◆
- 8.6
Performance overlay
- LUMIX S 85mm F1.8
- Aurora 85mm F1.4 (L-Mount)
◆ marks the best value in a row. Scores are 0–10 editorial ratings.