---
title: "Sirui Swift 40mm f/2.2"
description: "Small autofocus standard prime driven by a stepping motor, with a click-stop aperture ring, focus-mode switch and programmable button. Sealed against dust and weather, focuses to 0.4 m, takes 58 mm filters. Sirui aims it at portraits, street scenes and detail shooting."
brand: "Sirui"
mount: L-Mount
focal_length: 40
aperture: 2.2
angle_of_view: 56
lens_type: "Prime"
lens_category: ["Normal"]
weight: 215
year: 2026
weather_sealed: true
image_stabilization: false
price: 149
focus: "Auto"
filter_size: 58
max_magn: 0.14
close_focus: 0.4
sku: "SW40-L"
diameter: 69.4
length: 60
date: 2026-10-31
draft: false
author: "Jan Wedekind"
featured_image: /lenses/sirui/sirui-swift-40mm-f2-2.png
---

Key Take-Aways:

The Sirui Swift 40mm f/2.2 is a small autofocus standard prime that Sirui aims at portraits, street scenes and detail shots, driven by a stepping motor and fitted with a click-stop aperture ring, a focus-mode switch and a programmable button.

From Sirui:

> Light weight, Auto focus, Uncompromising Image Quality. High-Value Entry Grade Full Frame Lens. Effortless Creation by Daily Carry Lens.
>
> Frame the world just as what you see. Ideal for portraits, street scenes and detail shooting.
>
> An STM motor delivers quick, smooth autofocus, helping you keep moving subjects in focus and capture fleeting moments.
>
> The wide aperture gathers more light for low-light shooting and creates soft background blur that helps your subject stand out. Ideal for portraits, night scenes, and atmospheric images.
>
> Low distortion, natural color rendering, and minimal focus breathing help create a consistent look as focus shifts. Ideal for vlogs, short films, and time-lapse photography.
>
> Compact, palm-sized, and built to travel. From streets to sights, grab it and capture the moment your way.

[Official Website](https://store.sirui.com/products/sirui-swift-series-20mm-f2-4-40mm-f2-2-full-frame-autofocus-lens?variant=67809442955490)

Reviews:

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YouTube:

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