Sony 20mm f/2.8 Lens
The Sony SEL20F28 is a 20mm f/2.8 lens designed for Sony E mount cameras. Used copies start from $270.3 on GearFocus, with buyer protection on every purchase.
Sony 20mm f/2.8 Lens
Used Sony SEL20F28 Listings on GearFocus
Lens Overview — Sony SEL20F28
Key Features — Sony SEL20F28
20mm f/2.8 Prime: A fixed wide-angle focal length with an f/2.8 maximum aperture, offering more light-gathering ability than a typical kit zoom at this end of the range.
69g Ultralight Body: One of the lightest Sony E-mount lenses available, making it easy to carry all day without adding meaningful weight to a travel or street kit.
Sony E-Mount, APS-C: Designed specifically for Sony's APS-C mirrorless cameras, delivering a 30mm full-frame equivalent field of view on bodies like the a6000 series.
Autofocus Support: Built-in autofocus motor allows fast subject acquisition, with the option to switch to manual focus when precise control is needed.
Wide-Angle Field of View: The 20mm focal length suits landscapes, architecture, environmental portraits, and street photography where capturing a broad scene is the goal.
49mm Filter Thread: A compact and widely used filter size that keeps compatible ND, polarizing, and UV filters affordable and easy to source.
Lens Specifications — Sony SEL20F28
| Spec | Detail |
|---|---|
| Use Cases | Landscape, Travel, Street, Architecture |
| Lens Type | Prime |
| Format | APS-C |
| Zoom/Prime | Prime |
| Focal Length | 20mm |
| Maximum Aperture | f/2.8 |
| Camera System | Mirrorless |
| Lens Mount | Sony E |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | None |
| Filter Thread | 49mm |
Description — Sony SEL20F28
The Sony 20mm f/2.8 is a prime wide-angle lens designed for Sony E-mount mirrorless cameras in the APS-C format. It delivers a 20mm focal length with a f/2.8 maximum aperture, offering a wider view that suits landscapes, architecture, travel, and everyday street shooting. Weighing an impressively low 69g, this lens is built with portability in mind — it adds virtually no bulk to a mirrorless body, making it easy to carry all day.
The lens supports both autofocus and manual focus, so you can adapt your approach based on the shooting scenario. Filtration is handled via a 49mm filter thread, a compact and cost-effective size. It's worth noting that the lens has no image stabilization, so technique and shutter speed awareness matter when shooting in dim conditions.
For APS-C Sony E-mount shooters looking for a lightweight, capable wide-angle prime, this lens offers a compelling balance of size and optical versatility.
Pros — Sony SEL20F28
- ✓Ultralight 69g body makes it one of the most portable options for Sony E-mount APS-C shooters
- ✓f/2.8 maximum aperture provides solid light-gathering capability for a wide-angle prime
- ✓20mm focal length offers a versatile wide-angle perspective suited to landscapes, travel, and street photography
Cons — Sony SEL20F28
- ✗No image stabilization, which can be a limitation when shooting handheld in low light
- ✗f/2.8 maximum aperture, while decent, is slower than faster wide-angle primes at f/2 or f/1.8
- ✗APS-C-only format means it is not compatible with full-frame Sony E-mount bodies in full-frame mode
Reviews — Sony SEL20F28
Videos — Sony SEL20F28
Sony 20mm f/2.8 lens review with samples — Christopher Frost
Frequently Asked Questions — Sony SEL20F28
What camera mount does this lens use?+
This lens uses the Sony E mount, making it compatible with Sony E-mount mirrorless cameras. It is designed for APS-C format bodies within that system.
Does this lens have image stabilization?+
No, the Sony 20mm f/2.8 does not include image stabilization. Photographers shooting in low light should be mindful of their shutter speed or use a camera body with in-body stabilization.
What filter size does this lens take?+
The lens has a 49mm filter thread, which is a common and widely available size. This keeps the cost of compatible filters relatively affordable.
Does this lens support autofocus?+
Yes, the lens supports both autofocus and manual focus. You can switch between the two depending on your subject or shooting preference.
How heavy is this lens?+
The lens weighs just 69g, making it one of the lightest options available for Sony E-mount. This makes it especially appealing for travel and street photography where minimizing kit weight matters.