Quick answer
Compact standard prime for full-frame mirrorless with a metal build and aperture ring. It weighs about 230 g and is among the smaller full-frame E-mount lenses.
Pros
- Very small and light
- Metal construction
- Aperture ring
Cons
- Slow f/2.8 aperture
- Limited low-light ability
Verdict
Consider it a tiny walkaround lens. Not ideal for subject isolation or dim conditions.
About this lens
This 45mm f/2.8 full-frame standard prime lens from Sigma fits Sony E mount cameras, from the Sigma Contemporary line. The natural field of view suits street, documentary and everyday photography.
Sigma 45mm F2.8 DG DN | Contemporary 019 specifications
- Brand
- Sigma
- Mount
- Sony E
- Focal length
- 45mm
- Maximum aperture
- f/2.8
- Lens type
- Prime
- Format coverage
- full-frame
- Optical construction
- 8 elements in 7 groups
- Aperture blades
- 7
- Autofocus motor
- Stepping motor
- Minimum focus distance
- 0.24 m
- Maximum magnification
- 0.25x
- Filter thread
- 55 mm
- Weight
- 230 g
- Length
- 48.2 mm
- Diameter
- 64 mm
Specification source: sigmaphoto.com
What can you shoot with the Sigma 45mm F2.8 DG DN | Contemporary 019?
- Travel
- Street
- Casual portraits
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 |
|---|---|---|---|---|
| Full frame | 1.0x | 45mm | 43.6° | 51.4° |
| APS-C | 1.5x | 68mm | 29.9° | 35.5° |
Frequently asked questions
Is the Sigma 45mm F2.8 DG DN Contemporary 019 a pancake lens?
It is very compact, though not as thin as classic pancakes.
Is the Sigma 45mm F2.8 DG DN Contemporary 019 good in low light?
Limited, because the maximum aperture is f/2.8. It works best in daylight or with a camera that handles high ISO well.
Does the Sigma 45mm F2.8 DG DN Contemporary 019 have a metal body?
Yes. Sigma builds it with a metal body as part of the I series, alongside an aperture ring.
Alternatives for Sony E from other brands
All Sony E lensesSame mount, overlapping focal range, closest maximum aperture first.
