Sony E lens
Sirui Swift 40mm F2.2
40 mm, f/2.2, made for full frame. It mounts natively on 8 of our APS-C cameras; on the a6400 it frames like 60 mm.
- 40 mm · 60 mm equiv. on a6400
- f/2.2
- 58 mm filter
- 210 g
- Weather-sealed
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On your camera
The view, the weight with the camera (battery and card included) and what the maker says about each pair. Sirui publishes the cameras this lens supports and its firmware updates on its own site. It is made for full-frame sensors and covers APS-C with room to spare.
| Camera | View (35 mm equiv.) | Weight with camera | Fit and maker's notes | Kit |
|---|---|---|---|---|
| Sony a6000 | 60 mm | 554 g | Fits, with a condition from Sirui
| |
| Sony a6100 | 60 mm | 606 g | Fits and works
| |
| Sony a6400 | 60 mm | 613 g | Fits and works
| |
| Sony a6600 | 60 mm | 713 g | Fits and works | |
| Sony a6700 | 60 mm | 703 g | Fits and works | |
| Sony ZV-E10 | 60 mm | 553 g | Fits and works
| |
| Sony ZV-E10 II | 60 mm | 587 g | Fits and works
| |
| Sony FX30 | 60 mm | 856 g | Fits and works |
What it frames
From 3 m back it takes in a scene about 1.8 × 1.2 m on the a6400: about 3 people standing shoulder to shoulder.
At its closest (40 cm from the sensor) a subject about 17 cm wide fills the frame of the a6400.
On the a6400, to scale
Other standard primes for Sony E
The nearest in focal length, and what each changes against the Swift 40mm F2.2. Specifications only: we have not compared their pictures.
- Sony FE 40mm F2.5 G60 mm equiv. · f/2.5 · 173 g · 49 mm0.4 stop darker, 37 g lighterCompare
- Viltrox AF 40mm F2.5 Air60 mm equiv. · f/2.5 · 167 g · 52 mm0.4 stop darker, 43 g lighter, not weather-sealedCompare
- TTArtisan AF 40mm F260 mm equiv. · f/2 · 166–176 g · 52 mm34–44 g lighterCompare
- 7Artisans AF 40mm F2.560 mm equiv. · f/2.5 · 90 g · 46 mm0.4 stop darker, 120 g lighter, not weather-sealedCompare
- Sigma 45mm F2.8 DG DN Contemporary68 mm equiv. · f/2.8 · 230 g · 55 mm0.7 stop darker, 20 g heavierCompare
- Samyang AF 45mm F1.8 FE68 mm equiv. · f/1.8 · 162 g · 49 mm0.6 stop brighter, 48 g lighter, not weather-sealedCompare
Questions about this lens
Which cameras does the Sirui Swift 40mm F2.2 fit?
8 APS-C cameras in our catalogue: a6000, a6100, a6400, a6600, a6700, ZV-E10, ZV-E10 II, FX30. It is made for full frame, so it also fits the full-frame cameras on its mount.
What does it frame like on APS-C?
40 mm frames like 60 mm on the a6400 (1.5x).
What filter size does it take?
58 mm screw-in filters. Every lens with a 58 mm thread.
Where these facts come from
Facts from the makers' specification pages. How we check
Size, weight, filter thread, close focus and magnification are Sirui's published figures. Source: Sirui's specification page. We have not tested this lens; for image quality, read reviews from people who have.
Specifications
- Mount
- Sony E
- Made for
- Full-frame sensors (covers APS-C too)
- Focal length
- 40 mm
- Maximum aperture
- f/2.2
- Lens stabilisation
- No
- Weather sealing
- Yes, per the maker
- Filter thread
- 58 mm
- Weight
- 210 g
- Size (diameter × length)
- 69.4 × 62.3 mm
- Closest focus
- 40 cm
- Maximum magnification
- 0.14x
- Autofocus
- Yes
- Announced
- 2026