Photo: Henry Söderlund from Helsinki, Finland (CC BY 2.0)
FE 20mm F1.8 G
- 20mm
- f/1.8
- Prime
- 373 g
- Min focus 0.18 m
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Quick answer
A compact wide-angle prime for full-frame E-mount with an f/1.8 aperture and an aperture ring. It weighs about 373 g and suits landscapes, astro and interiors.
Pros
- f/1.8 in a compact body
- Aperture ring
- Close focus to 0.18 m
Cons
- Visible vignetting wide open
- Wide angle exaggerates perspective
Verdict
Consider it a lightweight wide option for Sony that works indoors and at night.
About this lens
The Sony FE 20mm F1.8 G is a full-frame fast wide-angle prime lens covering 20mm at f/1.8 for Sony E mount cameras, from the Sony G series. A wide-angle prime for Sony full-frame E-mount cameras.
Sony FE 20mm F1.8 G specifications
- Brand
- Sony
- Mount
- Sony E
- Focal length
- 20mm
- Maximum aperture
- f/1.8
- Lens type
- Prime
- Format coverage
- full-frame
- Released
- 2020
- Minimum focus distance
- 0.18 m
- Maximum magnification
- 0.22x
- Filter thread
- 67 mm
- Weight
- 373 g
- Length
- 84.7 mm
- Diameter
- 73.5 mm
Specification source: en.wikipedia.org
What can you shoot with the Sony FE 20mm F1.8 G?
- Landscape and astro
- Interiors
- Vlogging
Its fast maximum aperture helps in dim light and gives good subject separation.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| Full frame | 1.0x | 20mm | 84° | 94.5° |
| APS-C | 1.5x | 30mm | 61.9° | 71.6° |
Frequently asked questions
Is the Sony FE 20mm F1.8 G good for astrophotography?
Yes. f/1.8 is useful for gathering light, though some coma remains at the edges.
Does the Sony FE 20mm F1.8 G have an aperture ring?
Yes. The ring has a switch to turn the click stops on or off, so it can be used for stepped photo work or smooth, silent adjustment while filming.
Does the Sony FE 20mm F1.8 G work on APS-C?
Yes. It works with a crop, giving roughly a 30mm equivalent view.
Alternatives for Sony E from other brands
All Sony E lensesSame mount, overlapping focal range, closest maximum aperture first.
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