Photo: Henry Söderlund (CC BY 2.0)
Quick answer
A compact f/2.8 standard zoom for APS-C E-mount cameras, weighing about 290 g. It takes 55mm filters and offers a close focus distance of 0.121 m.
Pros
- Constant f/2.8
- Very light at 290 g
- Close focus 0.121 m
- Stepping motor autofocus
Cons
- APS-C only
- No stabilization in the lens
- Less range than a kit zoom
Verdict
A light and bright standard zoom for Sony APS-C. Great for travel kits.
About this lens
Sigma 18-50mm F2.8 DC DN | Contemporary 021: an APS-C fast standard zoom lens with a 18-50mm focal length and a maximum aperture of f/2.8, made for Sony E mount cameras, from the Sigma Contemporary line. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.
Sigma 18-50mm F2.8 DC DN | Contemporary 021 specifications
- Brand
- Sigma
- Mount
- Sony E
- Focal length
- 18-50mm
- Maximum aperture
- f/2.8
- Lens type
- Zoom
- Format coverage
- aps-c
- Optical construction
- 13 elements in 10 groups
- Aperture blades
- 7
- Autofocus motor
- Stepping motor
- Minimum focus distance
- 0.12 m
- Maximum magnification
- 0.36x
- Filter thread
- 55 mm
- Weight
- 290 g
- Length
- 76.5 mm
- Diameter
- 61.6 mm
Specification source: sigmaphoto.com
What can you shoot with the Sigma 18-50mm F2.8 DC DN | Contemporary 021?
- Everyday APS-C shooting
- Vlogging and travel
- Low-light snapshots
Its bright maximum aperture handles indoor and evening light reasonably well.
Full-frame equivalent and field of view
Calculated from the focal length and crop factor. Not measured.
| Sensor | Crop | Equivalent | Horizontal FOV | Diagonal FOV |
|---|---|---|---|---|
| APS-C | 1.5x | 27–75mm | 27–67.4° | 32.2–77.4° |
Frequently asked questions
What is the maximum magnification of the Sigma 18-50mm f/2.8 DC DN?
0.36x at the wide end, which allows close shooting for a standard zoom.
Does the Sigma 18-50mm f/2.8 Contemporary have stabilization?
No. It relies on in-body stabilization where Sony bodies provide it.
What filter size does it use?
55mm, a small filter size.
Alternatives for Sony E from other brands
All Sony E lensesSame mount, overlapping focal range, closest maximum aperture first.
More Sigma lenses for Sony E
All Sigma lensesOther 18-50mm lenses
Browse by focal length: 18mm lenses, 50mm lenses