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FESony E282ZNikon Z143RFCanon RF96LL-Mount153

Sony E-mount lenses

  • 7Artisans
  • Laowa
  • Samyang (Rokinon)
  • Sigma
  • Sirui
  • Sony
  • Tamron
  • Viltrox
  • Voigtländer
  • Zeiss
  • Ultra-Wide
  • Wide
  • Standard
  • Short Telephoto
  • Telephoto
  • Super-Telephoto
  • Macro

Nikon Z-mount lenses

  • 7Artisans
  • Laowa
  • Nikon
  • Samyang (Rokinon)
  • Sirui
  • Tamron
  • Viltrox
  • Voigtländer
  • Ultra-Wide
  • Wide
  • Standard
  • Short Telephoto
  • Telephoto
  • Super-Telephoto
  • Macro

Canon RF-mount lenses

  • 7Artisans
  • Canon
  • Laowa
  • Samyang (Rokinon)
  • Viltrox
  • Voigtländer
  • Ultra-Wide
  • Wide
  • Standard
  • Short Telephoto
  • Telephoto
  • Super-Telephoto
  • Macro

L-Mount lenses

  • 7Artisans
  • Laowa
  • Leica
  • Panasonic
  • Samyang (Rokinon)
  • Sigma
  • Sirui
  • Viltrox
  • Ultra-Wide
  • Wide
  • Standard
  • Short Telephoto
  • Telephoto
  • Super-Telephoto
  • Macro

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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 F2.2
Sirui Swift 40mm F2.2
16842SWIFT
Zeiss
ZEISS Batis 2/40 CF
ZEISS Batis 2/40 CF
BATIS
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
SHARPBOKEHAFFLAREBUILDVALUE

Performance overlay

  • Swift 40mm F2.2
  • ZEISS Batis 2/40 CF

◆ marks the best value in a row. Scores are 0–10 editorial ratings.