AF 18mm f/2.8
- 18mm
- f/18.0
- Prime
- Min focus 0.25 m
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Quick answer
A compact autofocus wide-angle for Sony full-frame E-mount with a Linear STM motor. It takes 58mm filters and focuses as close as 0.25 m.
Pros
- Autofocus on E-mount
- Compact
- 58mm filters
- Full-frame coverage
Cons
- f/2.8 is not fast
- Not weather sealed
- No stabilization
Verdict
A small autofocus wide prime for Sony full-frame E-mount.
About this lens
A 18mm f/2.8 wide-angle prime lens, the Samyang AF 18mm f/2.8 is designed for Sony E mount bodies. The wide view suits landscapes, architecture and environmental shots.
Samyang AF 18mm f/2.8 specifications
- Brand
- Samyang
- Mount
- Sony E
- Focal length
- 18mm
- Maximum aperture
- f/18.0
- Lens type
- Prime
- Optical construction
- 9 elements in 8 groups
- Aperture blades
- 7
- Autofocus motor
- Linear STM
- Minimum focus distance
- 0.25 m
- Maximum magnification
- 0.09x
- Filter thread
- 58 mm
Specification source: lksamyang.com
What can you shoot with the Samyang AF 18mm f/2.8?
- Landscapes and travel
- Street
- Light kits
Its smaller maximum aperture favours daylight shooting and keeps the lens compact.
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 | 18mm | 90° | 100.5° |
| APS-C | 1.5x | 27mm | 67.4° | 77.4° |
Frequently asked questions
Does the Samyang AF 18mm f/2.8 autofocus on Sony?
Yes. It has a Linear STM motor for autofocus on Sony E-mount bodies.
What filter size does it use?
It takes 58mm filters. Buy that size and they mount directly with no step ring.
How close can it focus?
Minimum focus is 0.25 m, with a maximum magnification of 0.09x. That is close enough to place a foreground subject against a wide background.
Alternatives for Sony E from other brands
All Sony E lensesSame mount, overlapping focal range, closest maximum aperture first.
