Sirui Swift 40mm F2.2 vs ZEISS Batis 2/40 CF
The Sirui is 151g lighter, has an aperture ring and cost $1,150 less at launch. The Zeiss focuses closer (0.30×).
Key differences
- The Sirui is 151g lighter (210g vs 361g).
- The Zeiss is faster: f/2 vs f/2.2 (≈0.3 stops more light).
- At launch the Sirui cost $1,150 less ($149 vs $1,299).
- For close-ups the Zeiss reaches 0.30× vs 0.14×.
Which to choose
- Swift 40mm F2.2
Choose it for:
- +The lightest option: 210g, 151g less than the next
- +A physical aperture ring
- +The lowest launch price: $149, $1,150 less
- ZEISS Batis 2/40 CF
Choose it for:
- +The best close-ups: 0.30× magnification
Computed from published specs, confirmed launch prices and, where every lens has at least two reviews, review scores.
Sirui
Swift 40mm F2.2Zeiss
ZEISS Batis 2/40 CF- Mount
- Sony E (FE)
- Sony E (FE)
- Focal length
- 40mm
- 40mm
- Max aperture
- F2.2
- F2◆
- Weight
- 210g◆
- 361g
- Dimensions ⌀ × L
- 69.5 × 62.3mm
- 78.0 × 93.0mm
- Volume
- 236 cm³◆
- 444 cm³
- Density
- 0.89 g/cm³
- 0.81 g/cm³
- Filter thread
- ⌀58mm
- ⌀67mm
- Min focus
- 0.40m
- 0.24m◆
- Max magnification
- 0.14×
- 0.30×◆
- Elements / groups
- 11 / 8
- 9 / 8
- Aperture blades
- 9
- Not published
- Focus drive
- STM
- Linear Motor
- Stabilisation
- —
- —
- Weather sealed
- Yes
- Yes
- Aperture ring
- Yes
- —
- Released
- 2026
- 2018
- MSRP (USD)
- $149◆
- $1,299
- Sharpness
- —
- 9.3
- Bokeh Rendering
- —
- 7.8
- Autofocus Speed
- —
- 8.3
- Flare Resistance
- —
- 8.0
- Build / Sealing
- —
- 8.5
- Value / Size
- —
- 7.5
Performance overlay
- Swift 40mm F2.2
- ZEISS Batis 2/40 CF
◆ marks the best value in a row. Scores are 0–10 editorial ratings.

